<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:5c393905-118d-4163-8327-c5e5268a0c81,g:4b069a54-4540-466c-b790-b6ce666fea02-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="kos-20251231.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_e8c143a3-b8d1-4455-9dec-1aa4cbf7e053" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_e9de1320-e320-47d7-a3f5-8c795a06edf5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_e8c143a3-b8d1-4455-9dec-1aa4cbf7e053" xlink:to="loc_us-gaap_PreferredStockValue_e9de1320-e320-47d7-a3f5-8c795a06edf5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_b1aedeb4-867d-46b5-99f2-03cb7175e4d8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_e8c143a3-b8d1-4455-9dec-1aa4cbf7e053" xlink:to="loc_us-gaap_CommonStockValue_b1aedeb4-867d-46b5-99f2-03cb7175e4d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_483d45a6-1a03-4546-a2f5-6b04a2ab49f6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_e8c143a3-b8d1-4455-9dec-1aa4cbf7e053" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_483d45a6-1a03-4546-a2f5-6b04a2ab49f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_a40fd3c9-36e6-4307-a02e-985d3870ff77" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_e8c143a3-b8d1-4455-9dec-1aa4cbf7e053" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_a40fd3c9-36e6-4307-a02e-985d3870ff77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_3df45cb6-aaf8-4668-b499-6f0cd949a94f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockValue"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_e8c143a3-b8d1-4455-9dec-1aa4cbf7e053" xlink:to="loc_us-gaap_TreasuryStockValue_3df45cb6-aaf8-4668-b499-6f0cd949a94f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_d1dcecd9-4896-4a1b-a9ad-aa050d1e55e9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_0b969a15-0cdb-4916-af17-859220818735" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_d1dcecd9-4896-4a1b-a9ad-aa050d1e55e9" xlink:to="loc_us-gaap_LiabilitiesCurrent_0b969a15-0cdb-4916-af17-859220818735" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_be50160e-7dd1-4825-a41a-faa7571b352a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_d1dcecd9-4896-4a1b-a9ad-aa050d1e55e9" xlink:to="loc_us-gaap_LiabilitiesNoncurrent_be50160e-7dd1-4825-a41a-faa7571b352a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_e4046f78-3911-493b-85e9-edd63ae2d206" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_d1dcecd9-4896-4a1b-a9ad-aa050d1e55e9" xlink:to="loc_us-gaap_StockholdersEquity_e4046f78-3911-493b-85e9-edd63ae2d206" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_92e24364-af9b-46be-8c47-2c3fb20a507b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_c2fe6618-8806-4e68-aaaf-9c69873b0c79" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_92e24364-af9b-46be-8c47-2c3fb20a507b" xlink:to="loc_us-gaap_AccountsPayableCurrent_c2fe6618-8806-4e68-aaaf-9c69873b0c79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_afaefe86-ad68-4d1b-9057-cfcf1f4aec56" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_92e24364-af9b-46be-8c47-2c3fb20a507b" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_afaefe86-ad68-4d1b-9057-cfcf1f4aec56" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019b8d8b-a992-7b52-ae0d-664e8c67f858" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_92e24364-af9b-46be-8c47-2c3fb20a507b" xlink:to="loc_us-gaap_LongTermDebtCurrent_019b8d8b-a992-7b52-ae0d-664e8c67f858" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_17ef0f5e-def0-41d6-80ee-b2da3480de4b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_0738e76b-2c5b-42b3-bc24-8060f8276a0b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_17ef0f5e-def0-41d6-80ee-b2da3480de4b" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_0738e76b-2c5b-42b3-bc24-8060f8276a0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationsNoncurrent_1f853491-8f94-4691-8372-b284517d8a5d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetRetirementObligationsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_17ef0f5e-def0-41d6-80ee-b2da3480de4b" xlink:to="loc_us-gaap_AssetRetirementObligationsNoncurrent_1f853491-8f94-4691-8372-b284517d8a5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_1934c8d1-c70a-4c6b-8047-4ec33db11da8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_17ef0f5e-def0-41d6-80ee-b2da3480de4b" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_1934c8d1-c70a-4c6b-8047-4ec33db11da8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_9c668bc9-871a-4842-850e-7ee080eebc94" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_17ef0f5e-def0-41d6-80ee-b2da3480de4b" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_9c668bc9-871a-4842-850e-7ee080eebc94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_aefc6cd4-5106-42c7-ad42-00c3d6b554a7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_235daff6-10b5-43b2-ba1e-53b8378cb9e0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_aefc6cd4-5106-42c7-ad42-00c3d6b554a7" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_235daff6-10b5-43b2-ba1e-53b8378cb9e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_e99d7514-01a5-496a-af15-4d4a203df5af" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_aefc6cd4-5106-42c7-ad42-00c3d6b554a7" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_e99d7514-01a5-496a-af15-4d4a203df5af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_ad40856b-c100-4a8f-81b2-8ae4e7e244f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_aefc6cd4-5106-42c7-ad42-00c3d6b554a7" xlink:to="loc_us-gaap_InventoryNet_ad40856b-c100-4a8f-81b2-8ae4e7e244f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_08e23e26-6b89-4467-8a32-94c4d7082b24" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_aefc6cd4-5106-42c7-ad42-00c3d6b554a7" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_08e23e26-6b89-4467-8a32-94c4d7082b24" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesNetCurrent_298da5ea-f0d5-4ff8-9eb2-b1ea0d8bb567" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReceivablesNetCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_aefc6cd4-5106-42c7-ad42-00c3d6b554a7" xlink:to="loc_us-gaap_ReceivablesNetCurrent_298da5ea-f0d5-4ff8-9eb2-b1ea0d8bb567" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_c7105823-7bd7-4010-adac-b41538504df7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_faf1dbbd-c631-4cd4-a0ff-bc4c0d0189bb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c7105823-7bd7-4010-adac-b41538504df7" xlink:to="loc_us-gaap_AssetsCurrent_faf1dbbd-c631-4cd4-a0ff-bc4c0d0189bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_82b1dd75-5d75-4c70-8356-f054e1b6abc9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c7105823-7bd7-4010-adac-b41538504df7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_82b1dd75-5d75-4c70-8356-f054e1b6abc9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_b370bc29-cb72-4797-a9f0-1c55e07c111e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c7105823-7bd7-4010-adac-b41538504df7" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_b370bc29-cb72-4797-a9f0-1c55e07c111e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OilAndGasJointInterestBillingReceivablesNoncurrent_d1e6fd52-da92-4e22-8401-19ac8a064a31" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OilAndGasJointInterestBillingReceivablesNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c7105823-7bd7-4010-adac-b41538504df7" xlink:to="loc_us-gaap_OilAndGasJointInterestBillingReceivablesNoncurrent_d1e6fd52-da92-4e22-8401-19ac8a064a31" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_34c8b7b1-643f-4f0c-8c53-ab916840a9b8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c7105823-7bd7-4010-adac-b41538504df7" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_34c8b7b1-643f-4f0c-8c53-ab916840a9b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_171ee2b3-e0ca-4ec2-873c-fbd1ca7d4075" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssets"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c7105823-7bd7-4010-adac-b41538504df7" xlink:to="loc_us-gaap_OtherAssets_171ee2b3-e0ca-4ec2-873c-fbd1ca7d4075" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_3814d388-c1af-4359-8775-e2912f05270a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c7105823-7bd7-4010-adac-b41538504df7" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_3814d388-c1af-4359-8775-e2912f05270a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="kos-20251231.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_06c3f8f7-548e-4c7e-be21-39139249c94b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_d32eb64d-6fe8-4712-a247-4d0d1f6edede" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_06c3f8f7-548e-4c7e-be21-39139249c94b" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_d32eb64d-6fe8-4712-a247-4d0d1f6edede" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_5a32951a-efa2-415d-afc8-36bedf2b3ba5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_06c3f8f7-548e-4c7e-be21-39139249c94b" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_5a32951a-efa2-415d-afc8-36bedf2b3ba5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_5a037969-aabc-4815-8912-7474566c30e9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_GainLossOnCommodityDerivativeInstrumentsNetPretax_90b51c90-5d23-4e01-b4ff-666e16819378" xlink:href="kos-20251231.xsd#kos_GainLossOnCommodityDerivativeInstrumentsNetPretax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_5a037969-aabc-4815-8912-7474566c30e9" xlink:to="loc_kos_GainLossOnCommodityDerivativeInstrumentsNetPretax_90b51c90-5d23-4e01-b4ff-666e16819378" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion_9cd4ef0c-6db1-4b74-8b22-68a0222f7afc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_5a037969-aabc-4815-8912-7474566c30e9" xlink:to="loc_us-gaap_ResultsOfOperationsDepreciationDepletionAmortizationAndAccretion_9cd4ef0c-6db1-4b74-8b22-68a0222f7afc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_1414a6cd-d327-407b-b0f3-c07d18efd36e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_5a037969-aabc-4815-8912-7474566c30e9" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_1414a6cd-d327-407b-b0f3-c07d18efd36e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_1b621f9d-ff01-414e-bc4e-322ad9b55a49" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_5a037969-aabc-4815-8912-7474566c30e9" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_1b621f9d-ff01-414e-bc4e-322ad9b55a49" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_2770bd43-1de1-4907-ac24-fde9995121c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_5a037969-aabc-4815-8912-7474566c30e9" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_2770bd43-1de1-4907-ac24-fde9995121c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingCostsAndExpenses_b3be789e-5be5-43f3-a819-4238fbfe7628" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingCostsAndExpenses"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_5a037969-aabc-4815-8912-7474566c30e9" xlink:to="loc_us-gaap_OperatingCostsAndExpenses_b3be789e-5be5-43f3-a819-4238fbfe7628" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExplorationExpense_0e508a53-fecb-49df-9f79-e77e9fb84ab9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ExplorationExpense"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_5a037969-aabc-4815-8912-7474566c30e9" xlink:to="loc_us-gaap_ExplorationExpense_0e508a53-fecb-49df-9f79-e77e9fb84ab9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_InterestExpenseIncomeNet_585ab58d-5d2d-435d-899f-352cabf692f6" xlink:href="kos-20251231.xsd#kos_InterestExpenseIncomeNet"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_5a037969-aabc-4815-8912-7474566c30e9" xlink:to="loc_kos_InterestExpenseIncomeNet_585ab58d-5d2d-435d-899f-352cabf692f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_e86259db-42c0-4915-a95d-baa6f83f5689" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_7eea374b-2f05-4b6a-8ce0-4992d235e148" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_e86259db-42c0-4915-a95d-baa6f83f5689" xlink:to="loc_us-gaap_CostsAndExpenses_7eea374b-2f05-4b6a-8ce0-4992d235e148" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_RevenueAndOtherIncome_b4e0238f-a027-4b27-88f2-28e248558a50" xlink:href="kos-20251231.xsd#kos_RevenueAndOtherIncome"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_e86259db-42c0-4915-a95d-baa6f83f5689" xlink:to="loc_kos_RevenueAndOtherIncome_b4e0238f-a027-4b27-88f2-28e248558a50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_RevenueAndOtherIncome_7d6dc541-4de5-429f-ac5d-69f06f391091" xlink:href="kos-20251231.xsd#kos_RevenueAndOtherIncome"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_6893ef12-8831-4079-b401-40eb5174102c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_RevenueAndOtherIncome_7d6dc541-4de5-429f-ac5d-69f06f391091" xlink:to="loc_us-gaap_Revenues_6893ef12-8831-4079-b401-40eb5174102c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfProperty_44426b18-4261-4fa3-8d0d-a7e7a234468c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnSaleOfProperty"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_RevenueAndOtherIncome_7d6dc541-4de5-429f-ac5d-69f06f391091" xlink:to="loc_us-gaap_GainLossOnSaleOfProperty_44426b18-4261-4fa3-8d0d-a7e7a234468c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_16127668-8d93-4946-abfc-fe0f44a5a533" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_RevenueAndOtherIncome_7d6dc541-4de5-429f-ac5d-69f06f391091" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_16127668-8d93-4946-abfc-fe0f44a5a533" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="kos-20251231.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_45a09f7d-700a-4cba-8256-a05c1d845ba9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_879b24c6-b1a8-468d-94c3-1b1e434d32f3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_45a09f7d-700a-4cba-8256-a05c1d845ba9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_879b24c6-b1a8-468d-94c3-1b1e434d32f3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_aca066d9-d522-4d1f-abb7-b08026463fad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_45a09f7d-700a-4cba-8256-a05c1d845ba9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_aca066d9-d522-4d1f-abb7-b08026463fad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ee52df07-550d-4d1b-8452-0af1d4527b94" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_45a09f7d-700a-4cba-8256-a05c1d845ba9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ee52df07-550d-4d1b-8452-0af1d4527b94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_a500345b-e8ad-4ee6-af6e-f3218f56ebda" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireOilAndGasEquipment_1449be2d-af94-451d-b299-5a3b9fea0ddc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireOilAndGasEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_a500345b-e8ad-4ee6-af6e-f3218f56ebda" xlink:to="loc_us-gaap_PaymentsToAcquireOilAndGasEquipment_1449be2d-af94-451d-b299-5a3b9fea0ddc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_PaymentsToAcquireNotesReceivableAndOtherInvestingActivities_236be76a-ef55-4b24-ae02-2348733938f4" xlink:href="kos-20251231.xsd#kos_PaymentsToAcquireNotesReceivableAndOtherInvestingActivities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_a500345b-e8ad-4ee6-af6e-f3218f56ebda" xlink:to="loc_kos_PaymentsToAcquireNotesReceivableAndOtherInvestingActivities_236be76a-ef55-4b24-ae02-2348733938f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_159664ea-b119-40d0-8832-1a283f4ecfef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:to="loc_us-gaap_NetIncomeLoss_159664ea-b119-40d0-8832-1a283f4ecfef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_bd58d50e-bceb-4db2-ad7b-790636aea264" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_bd58d50e-bceb-4db2-ad7b-790636aea264" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_c3fb963c-453f-45bc-b952-c01767c52c58" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_c3fb963c-453f-45bc-b952-c01767c52c58" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExplorationAbandonmentAndImpairmentExpense_d548a5db-b025-437a-8b59-360d36455db2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ExplorationAbandonmentAndImpairmentExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:to="loc_us-gaap_ExplorationAbandonmentAndImpairmentExpense_d548a5db-b025-437a-8b59-360d36455db2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_ea5a84e0-d432-4db6-9d0f-89f6aa6c9374" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_ea5a84e0-d432-4db6-9d0f-89f6aa6c9374" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_CashSettlementsOnDerivativesNet_0a4b6f07-23a0-4d9c-b303-553d5a478733" xlink:href="kos-20251231.xsd#kos_CashSettlementsOnDerivativesNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:to="loc_kos_CashSettlementsOnDerivativesNet_0a4b6f07-23a0-4d9c-b303-553d5a478733" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_08267ef0-9172-472a-bcab-970274cc3640" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:to="loc_us-gaap_ShareBasedCompensation_08267ef0-9172-472a-bcab-970274cc3640" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfProperty_c5934d8f-921e-4807-a943-f4b80727e5b1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnSaleOfProperty"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:to="loc_us-gaap_GainLossOnSaleOfProperty_c5934d8f-921e-4807-a943-f4b80727e5b1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_aa2a35e7-591e-4e51-8802-af515afe5097" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_aa2a35e7-591e-4e51-8802-af515afe5097" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_0f3a483a-40fd-44b9-a25f-19df32abcf94" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_0f3a483a-40fd-44b9-a25f-19df32abcf94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_aa54d647-82fb-4d9a-8f2b-4d425c804d38" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInReceivables"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_aa54d647-82fb-4d9a-8f2b-4d425c804d38" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_IncreaseDecreaseInInventoriesAndPrepaidExpense_cff89f38-b493-4094-8450-0ab8ccbe1371" xlink:href="kos-20251231.xsd#kos_IncreaseDecreaseInInventoriesAndPrepaidExpense"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:to="loc_kos_IncreaseDecreaseInInventoriesAndPrepaidExpense_cff89f38-b493-4094-8450-0ab8ccbe1371" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_824bb633-0f0b-4f52-b1bd-cf71e3a05e27" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_824bb633-0f0b-4f52-b1bd-cf71e3a05e27" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_3fc5d2b9-6e12-439a-bdbf-ab80cfe4fd5e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_70d725a0-44c1-4422-938a-047ba9525889" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_3fc5d2b9-6e12-439a-bdbf-ab80cfe4fd5e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_74a5325b-f0e0-4c5b-91ce-10dc8c8cb196" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_01bce642-1b2b-4b69-bed8-665af3cede4e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_74a5325b-f0e0-4c5b-91ce-10dc8c8cb196" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_01bce642-1b2b-4b69-bed8-665af3cede4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_1066d609-6cf7-44ac-9074-e3ce21d1f2cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_74a5325b-f0e0-4c5b-91ce-10dc8c8cb196" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_1066d609-6cf7-44ac-9074-e3ce21d1f2cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfOtherLongTermDebt_bd7c83bf-d905-41f5-a412-fc4d28829054" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfOtherLongTermDebt"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_74a5325b-f0e0-4c5b-91ce-10dc8c8cb196" xlink:to="loc_us-gaap_RepaymentsOfOtherLongTermDebt_bd7c83bf-d905-41f5-a412-fc4d28829054" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_ee2a1476-f754-4683-b034-177089fafccd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_74a5325b-f0e0-4c5b-91ce-10dc8c8cb196" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_ee2a1476-f754-4683-b034-177089fafccd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_27d00371-cd1b-424a-9677-9554fa2db93c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfUnsecuredDebt"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_74a5325b-f0e0-4c5b-91ce-10dc8c8cb196" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_27d00371-cd1b-424a-9677-9554fa2db93c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfUnsecuredDebt_17ded8a2-4b46-4a9f-8568-8ba284155d35" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfUnsecuredDebt"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_74a5325b-f0e0-4c5b-91ce-10dc8c8cb196" xlink:to="loc_us-gaap_RepaymentsOfUnsecuredDebt_17ded8a2-4b46-4a9f-8568-8ba284155d35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_PaymentsForCappedCallTransactionsFinancingActivities_86797af4-e707-4520-b8eb-1de573dc9712" xlink:href="kos-20251231.xsd#kos_PaymentsForCappedCallTransactionsFinancingActivities"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_74a5325b-f0e0-4c5b-91ce-10dc8c8cb196" xlink:to="loc_kos_PaymentsForCappedCallTransactionsFinancingActivities_86797af4-e707-4520-b8eb-1de573dc9712" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/AccountingPoliciesScheduleofCashCashEquivalentsandRestrictedCashDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#AccountingPoliciesScheduleofCashCashEquivalentsandRestrictedCashDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/AccountingPoliciesScheduleofCashCashEquivalentsandRestrictedCashDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_cf9ecd0b-5e4c-4d64-964f-0add4b639b2a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_8013ca95-fc59-49d6-8d84-3468d8847a24" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_cf9ecd0b-5e4c-4d64-964f-0add4b639b2a" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_8013ca95-fc59-49d6-8d84-3468d8847a24" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_a9b63e3d-e5a0-4a5d-8506-e86a9eb20638" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_cf9ecd0b-5e4c-4d64-964f-0add4b639b2a" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_a9b63e3d-e5a0-4a5d-8506-e86a9eb20638" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/AccountingPoliciesScheduleofOilandGasRevenueDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#AccountingPoliciesScheduleofOilandGasRevenueDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/AccountingPoliciesScheduleofOilandGasRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_63eedb3a-b373-4874-b8f5-a95f1f672434" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_9b91530f-0197-49f0-b883-1956bf010529" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_63eedb3a-b373-4874-b8f5-a95f1f672434" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_9b91530f-0197-49f0-b883-1956bf010529" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_f557c921-a2ae-4d32-9fd0-af51ade888f6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_63eedb3a-b373-4874-b8f5-a95f1f672434" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_f557c921-a2ae-4d32-9fd0-af51ade888f6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/ReceivablesScheduleofReceivablesDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#ReceivablesScheduleofReceivablesDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/ReceivablesScheduleofReceivablesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesNetCurrent_2f408d11-4a5d-4041-9a77-e5e7e95faa54" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReceivablesNetCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesNetCurrent_897328ad-a743-4dcc-ba95-87922a016247" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherReceivablesNetCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReceivablesNetCurrent_2f408d11-4a5d-4041-9a77-e5e7e95faa54" xlink:to="loc_us-gaap_OtherReceivablesNetCurrent_897328ad-a743-4dcc-ba95-87922a016247" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OilAndGasJointInterestBillingReceivablesCurrent_ae65ea90-2509-4c8a-ac6b-8594159f694a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OilAndGasJointInterestBillingReceivablesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReceivablesNetCurrent_2f408d11-4a5d-4041-9a77-e5e7e95faa54" xlink:to="loc_us-gaap_OilAndGasJointInterestBillingReceivablesCurrent_ae65ea90-2509-4c8a-ac6b-8594159f694a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_OilAndGasJointInterestBillingReceivablesOilSalesCurrent_4d832b73-05af-4577-baa6-3661e45af011" xlink:href="kos-20251231.xsd#kos_OilAndGasJointInterestBillingReceivablesOilSalesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReceivablesNetCurrent_2f408d11-4a5d-4041-9a77-e5e7e95faa54" xlink:to="loc_kos_OilAndGasJointInterestBillingReceivablesOilSalesCurrent_4d832b73-05af-4577-baa6-3661e45af011" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/PropertyandEquipmentScheduleofPropertyandEquipmentDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#PropertyandEquipmentScheduleofPropertyandEquipmentDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/PropertyandEquipmentScheduleofPropertyandEquipmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OilAndGasPropertySuccessfulEffortMethodNet_272cb3b6-f802-45ce-9823-1ddba3c2748f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OilAndGasPropertySuccessfulEffortMethodNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OilAndGasPropertySuccessfulEffortMethodGross_760a165a-6ae2-43af-b992-266c27aaede7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OilAndGasPropertySuccessfulEffortMethodGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OilAndGasPropertySuccessfulEffortMethodNet_272cb3b6-f802-45ce-9823-1ddba3c2748f" xlink:to="loc_us-gaap_OilAndGasPropertySuccessfulEffortMethodGross_760a165a-6ae2-43af-b992-266c27aaede7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization_7fc93890-8218-45c5-98c8-024a0ef9ba78" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OilAndGasPropertySuccessfulEffortMethodNet_272cb3b6-f802-45ce-9823-1ddba3c2748f" xlink:to="loc_us-gaap_OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization_7fc93890-8218-45c5-98c8-024a0ef9ba78" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOtherNet_f1054dd9-fce6-48bf-9b1f-7b3702dc105a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentOtherNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOther_64f9ab68-3178-4e07-9bda-430b2fe2a975" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentOther"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentOtherNet_f1054dd9-fce6-48bf-9b1f-7b3702dc105a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentOther_64f9ab68-3178-4e07-9bda-430b2fe2a975" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOtherAccumulatedDepreciation_85499ace-5129-4cb3-87c3-40e41667272d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentOtherAccumulatedDepreciation"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentOtherNet_f1054dd9-fce6-48bf-9b1f-7b3702dc105a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentOtherAccumulatedDepreciation_85499ace-5129-4cb3-87c3-40e41667272d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OilAndGasPropertySuccessfulEffortMethodGross_8bd8fd0c-cba3-49ce-8baa-f0ed761b6969" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OilAndGasPropertySuccessfulEffortMethodGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvedOilAndGasPropertySuccessfulEffortMethod_a24813c6-ca15-4b91-990c-979e1f94b407" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProvedOilAndGasPropertySuccessfulEffortMethod"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OilAndGasPropertySuccessfulEffortMethodGross_8bd8fd0c-cba3-49ce-8baa-f0ed761b6969" xlink:to="loc_us-gaap_ProvedOilAndGasPropertySuccessfulEffortMethod_a24813c6-ca15-4b91-990c-979e1f94b407" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnprovedOilAndGasPropertySuccessfulEffortMethod_bd27b03f-f56b-4fb6-8e92-fe6ba8f47efd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnprovedOilAndGasPropertySuccessfulEffortMethod"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OilAndGasPropertySuccessfulEffortMethodGross_8bd8fd0c-cba3-49ce-8baa-f0ed761b6969" xlink:to="loc_us-gaap_UnprovedOilAndGasPropertySuccessfulEffortMethod_bd27b03f-f56b-4fb6-8e92-fe6ba8f47efd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/SuspendedWellCostsScheduleofSuspendedWellCostsDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#SuspendedWellCostsScheduleofSuspendedWellCostsDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/SuspendedWellCostsScheduleofSuspendedWellCostsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedExploratoryWellCosts_eebb9b20-3c27-4e76-9760-34a3d74a110b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CapitalizedExploratoryWellCosts"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess_4832047e-c3d1-4315-b80f-efdd933138f8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalizedExploratoryWellCosts_eebb9b20-3c27-4e76-9760-34a3d74a110b" xlink:to="loc_us-gaap_CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess_4832047e-c3d1-4315-b80f-efdd933138f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_OilAndGasCapitalizedExploratoryWellCostCapitalizedForPeriodOfOneYearToFiveYears_8ae5812a-dc76-4a7d-8ace-57d81430e149" xlink:href="kos-20251231.xsd#kos_OilAndGasCapitalizedExploratoryWellCostCapitalizedForPeriodOfOneYearToFiveYears"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalizedExploratoryWellCosts_eebb9b20-3c27-4e76-9760-34a3d74a110b" xlink:to="loc_kos_OilAndGasCapitalizedExploratoryWellCostCapitalizedForPeriodOfOneYearToFiveYears_8ae5812a-dc76-4a7d-8ace-57d81430e149" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_OilAndGasCapitalizedExploratoryWellCostCapitalizedForPeriodOfSixYearsToTenYears_2bbea5d4-0ed0-4e9f-a19d-0ef3f05e4bea" xlink:href="kos-20251231.xsd#kos_OilAndGasCapitalizedExploratoryWellCostCapitalizedForPeriodOfSixYearsToTenYears"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalizedExploratoryWellCosts_eebb9b20-3c27-4e76-9760-34a3d74a110b" xlink:to="loc_kos_OilAndGasCapitalizedExploratoryWellCostCapitalizedForPeriodOfSixYearsToTenYears_2bbea5d4-0ed0-4e9f-a19d-0ef3f05e4bea" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/LeasesScheduleofComponentsofLeaseCostDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#LeasesScheduleofComponentsofLeaseCostDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/LeasesScheduleofComponentsofLeaseCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_a848d137-515c-4e56-8356-cd9df9b8db14" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_5023cbd1-ba88-4a61-8dc6-02380fd0ce2d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_a848d137-515c-4e56-8356-cd9df9b8db14" xlink:to="loc_us-gaap_OperatingLeaseCost_5023cbd1-ba88-4a61-8dc6-02380fd0ce2d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_df9cc977-2dd2-4ad6-b202-20a2c9b49c00" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_a848d137-515c-4e56-8356-cd9df9b8db14" xlink:to="loc_us-gaap_ShortTermLeaseCost_df9cc977-2dd2-4ad6-b202-20a2c9b49c00" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_d3bb6bba-9f80-4c91-9762-a89a89da16ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableLeaseCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_a848d137-515c-4e56-8356-cd9df9b8db14" xlink:to="loc_us-gaap_VariableLeaseCost_d3bb6bba-9f80-4c91-9762-a89a89da16ef" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/LeasesScheduleofFutureMinimumRentalCommitmentsDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#LeasesScheduleofFutureMinimumRentalCommitmentsDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/LeasesScheduleofFutureMinimumRentalCommitmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_6cd5d58d-41a5-4589-a1ee-018580632a73" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_e0433bed-43e8-4d0e-a92f-9b7939007c43" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_6cd5d58d-41a5-4589-a1ee-018580632a73" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_e0433bed-43e8-4d0e-a92f-9b7939007c43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_4e549d1c-af2b-4d87-ac83-e8a48dd58b01" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_6cd5d58d-41a5-4589-a1ee-018580632a73" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_4e549d1c-af2b-4d87-ac83-e8a48dd58b01" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_04941707-23f2-4985-9706-144339df88db" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_6cd5d58d-41a5-4589-a1ee-018580632a73" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_04941707-23f2-4985-9706-144339df88db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_d1bfc931-92f8-4609-9748-99f406b2bada" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_6cd5d58d-41a5-4589-a1ee-018580632a73" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_d1bfc931-92f8-4609-9748-99f406b2bada" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_4ccb3d9a-1c27-4178-86f0-8790042fc3fc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_6cd5d58d-41a5-4589-a1ee-018580632a73" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_4ccb3d9a-1c27-4178-86f0-8790042fc3fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_30d5aa71-7ce2-4d36-bd9f-0540bee32a29" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_6cd5d58d-41a5-4589-a1ee-018580632a73" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_30d5aa71-7ce2-4d36-bd9f-0540bee32a29" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/LeasesScheduleofFutureMinimumRentalCommitmentsDetails_1" xlink:type="simple" xlink:href="kos-20251231.xsd#LeasesScheduleofFutureMinimumRentalCommitmentsDetails_1"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/LeasesScheduleofFutureMinimumRentalCommitmentsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_071025fc-407e-42ab-8a17-ec9f9987bea2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_0eef515e-0d2e-4450-a695-fa9f5d600b72" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_071025fc-407e-42ab-8a17-ec9f9987bea2" xlink:to="loc_us-gaap_OperatingLeaseLiability_0eef515e-0d2e-4450-a695-fa9f5d600b72" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_eb75e384-bcaf-4c1e-9747-9ca6daf4c1af" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_071025fc-407e-42ab-8a17-ec9f9987bea2" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_eb75e384-bcaf-4c1e-9747-9ca6daf4c1af" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/DebtScheduleofInstrumentsDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#DebtScheduleofInstrumentsDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/DebtScheduleofInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019c66b2-1765-7792-b021-fe06e5e35681" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019c66b2-1765-7e48-8ec0-397a09bb5d66" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019c66b2-1765-7792-b021-fe06e5e35681" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019c66b2-1765-7e48-8ec0-397a09bb5d66" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_DebtInstrumentUnamortizedIssuanceCostsAndDiscounts_019c66b2-1765-7454-8d36-001170191cec" xlink:href="kos-20251231.xsd#kos_DebtInstrumentUnamortizedIssuanceCostsAndDiscounts"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019c66b2-1765-7792-b021-fe06e5e35681" xlink:to="loc_kos_DebtInstrumentUnamortizedIssuanceCostsAndDiscounts_019c66b2-1765-7454-8d36-001170191cec" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/DebtScheduleofInstrumentsDetails_1" xlink:type="simple" xlink:href="kos-20251231.xsd#DebtScheduleofInstrumentsDetails_1"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/DebtScheduleofInstrumentsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019c7bf4-beaf-73a0-93a6-d7c61df27441" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019c7bf4-beaf-7862-bad6-ebd80a6a8abc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019c7bf4-beaf-73a0-93a6-d7c61df27441" xlink:to="loc_us-gaap_LongTermDebtCurrent_019c7bf4-beaf-7862-bad6-ebd80a6a8abc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019c7bf4-beaf-797f-ae1a-9d3e430789c5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019c7bf4-beaf-73a0-93a6-d7c61df27441" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019c7bf4-beaf-797f-ae1a-9d3e430789c5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/DebtScheduleofPrincipalDebtRepaymentsDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#DebtScheduleofPrincipalDebtRepaymentsDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/DebtScheduleofPrincipalDebtRepaymentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_b076c2b1-bdee-4519-9b17-5d08f3087593" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_94ce459e-7af0-4083-a2c2-ac1d0beace69" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_b076c2b1-bdee-4519-9b17-5d08f3087593" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_94ce459e-7af0-4083-a2c2-ac1d0beace69" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_0447b5ef-8116-4087-a377-c383c6df0e1b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_b076c2b1-bdee-4519-9b17-5d08f3087593" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_0447b5ef-8116-4087-a377-c383c6df0e1b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_2fba93e0-129e-40fa-8377-fd5a8ce9f128" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_b076c2b1-bdee-4519-9b17-5d08f3087593" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_2fba93e0-129e-40fa-8377-fd5a8ce9f128" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_99cea837-dad1-4fc6-bbf3-27ab738a4e8d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_b076c2b1-bdee-4519-9b17-5d08f3087593" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_99cea837-dad1-4fc6-bbf3-27ab738a4e8d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_14122021-0e10-4a0c-b431-d53a70ecfdb5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_b076c2b1-bdee-4519-9b17-5d08f3087593" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_14122021-0e10-4a0c-b431-d53a70ecfdb5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_6d618199-e759-4bb7-b043-36477135063d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_b076c2b1-bdee-4519-9b17-5d08f3087593" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_6d618199-e759-4bb7-b043-36477135063d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/DebtScheduleofInterestandOtherFinancingCostsNetDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#DebtScheduleofInterestandOtherFinancingCostsNetDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/DebtScheduleofInterestandOtherFinancingCostsNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_kos_InterestExpenseIncomeNet_c1c0e284-77f9-431d-a771-d5b696880c87" xlink:href="kos-20251231.xsd#kos_InterestExpenseIncomeNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestCostsIncurred_3b195d12-5068-4589-87d8-dfa8845ae9f5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestCostsIncurred"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_InterestExpenseIncomeNet_c1c0e284-77f9-431d-a771-d5b696880c87" xlink:to="loc_us-gaap_InterestCostsIncurred_3b195d12-5068-4589-87d8-dfa8845ae9f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_8a1180a0-43f2-4a9c-af55-bcaf80282609" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_InterestExpenseIncomeNet_c1c0e284-77f9-431d-a771-d5b696880c87" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_8a1180a0-43f2-4a9c-af55-bcaf80282609" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_207da1f4-c4a6-4143-850f-f5fc78280906" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_InterestExpenseIncomeNet_c1c0e284-77f9-431d-a771-d5b696880c87" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_207da1f4-c4a6-4143-850f-f5fc78280906" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestCostsCapitalizedAdjustment_d5be916d-a1ec-449b-a98e-d82387355ce5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestCostsCapitalizedAdjustment"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_InterestExpenseIncomeNet_c1c0e284-77f9-431d-a771-d5b696880c87" xlink:to="loc_us-gaap_InterestCostsCapitalizedAdjustment_d5be916d-a1ec-449b-a98e-d82387355ce5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_DeferredInterestNet_f6b52b7c-2b20-49a1-aea0-8e2aa6d4d9cf" xlink:href="kos-20251231.xsd#kos_DeferredInterestNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_InterestExpenseIncomeNet_c1c0e284-77f9-431d-a771-d5b696880c87" xlink:to="loc_kos_DeferredInterestNet_f6b52b7c-2b20-49a1-aea0-8e2aa6d4d9cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncome_a6e35b8f-2df7-4212-933d-80fd9af66ef2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncome"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_InterestExpenseIncomeNet_c1c0e284-77f9-431d-a771-d5b696880c87" xlink:to="loc_us-gaap_OtherNonoperatingIncome_a6e35b8f-2df7-4212-933d-80fd9af66ef2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_InterestAndOtherFinancingCostsOtherNet_4757ad4c-40fc-41c9-89b5-43b4ab54dce9" xlink:href="kos-20251231.xsd#kos_InterestAndOtherFinancingCostsOtherNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_InterestExpenseIncomeNet_c1c0e284-77f9-431d-a771-d5b696880c87" xlink:to="loc_kos_InterestAndOtherFinancingCostsOtherNet_4757ad4c-40fc-41c9-89b5-43b4ab54dce9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/DerivativeFinancialInstrumentsScheduleofDerivativeInstrumentsandGainLossfromDerivativesDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#DerivativeFinancialInstrumentsScheduleofDerivativeInstrumentsandGainLossfromDerivativesDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/DerivativeFinancialInstrumentsScheduleofDerivativeInstrumentsandGainLossfromDerivativesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_40f834d7-371f-44f4-ba31-fde222de498b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_a0ae2518-d5ee-4230-a5e3-09cda87eca8e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_40f834d7-371f-44f4-ba31-fde222de498b" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_a0ae2518-d5ee-4230-a5e3-09cda87eca8e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_621205dc-bb08-4b0e-b1ca-eeb4e071ad6b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_40f834d7-371f-44f4-ba31-fde222de498b" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_621205dc-bb08-4b0e-b1ca-eeb4e071ad6b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/FairValueMeasurementsScheduleofCompanysAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#FairValueMeasurementsScheduleofCompanysAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/FairValueMeasurementsScheduleofCompanysAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_d065233a-2f6e-4a52-8065-ed373f08606e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_f955a15b-dd9e-49c9-a856-426aae768ff1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_d065233a-2f6e-4a52-8065-ed373f08606e" xlink:to="loc_us-gaap_DerivativeAssets_f955a15b-dd9e-49c9-a856-426aae768ff1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/FairValueMeasurementsScheduleofCostsandFairValuesofInvestmentsinDebtSecuritiesHeldinDecommissioningTrustFundDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#FairValueMeasurementsScheduleofCostsandFairValuesofInvestmentsinDebtSecuritiesHeldinDecommissioningTrustFundDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/FairValueMeasurementsScheduleofCostsandFairValuesofInvestmentsinDebtSecuritiesHeldinDecommissioningTrustFundDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_kos_DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateFairValue_d3816d14-b5be-4dac-aff2-684b4b7a3ed9" xlink:href="kos-20251231.xsd#kos_DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_DebtSecuritiesTradingFairValueMaturityAllocatedAndSingleMaturityDateAfterYear5Through10_33c46cca-7acf-4d56-ba79-541026dc7141" xlink:href="kos-20251231.xsd#kos_DebtSecuritiesTradingFairValueMaturityAllocatedAndSingleMaturityDateAfterYear5Through10"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateFairValue_d3816d14-b5be-4dac-aff2-684b4b7a3ed9" xlink:to="loc_kos_DebtSecuritiesTradingFairValueMaturityAllocatedAndSingleMaturityDateAfterYear5Through10_33c46cca-7acf-4d56-ba79-541026dc7141" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_DebtSecuritiesTradingFairValueMaturityAllocatedAndSingleMaturityDateAfterYear10_afadee54-eb9f-4e4c-8aa6-c006352f4b73" xlink:href="kos-20251231.xsd#kos_DebtSecuritiesTradingFairValueMaturityAllocatedAndSingleMaturityDateAfterYear10"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateFairValue_d3816d14-b5be-4dac-aff2-684b4b7a3ed9" xlink:to="loc_kos_DebtSecuritiesTradingFairValueMaturityAllocatedAndSingleMaturityDateAfterYear10_afadee54-eb9f-4e4c-8aa6-c006352f4b73" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_DebtSecuritiesTradingFairValueMaturityAllocatedAndSingleMaturityDateLessThanFiveYears_b95b2d6d-5cce-4fca-8853-4834334c534d" xlink:href="kos-20251231.xsd#kos_DebtSecuritiesTradingFairValueMaturityAllocatedAndSingleMaturityDateLessThanFiveYears"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateFairValue_d3816d14-b5be-4dac-aff2-684b4b7a3ed9" xlink:to="loc_kos_DebtSecuritiesTradingFairValueMaturityAllocatedAndSingleMaturityDateLessThanFiveYears_b95b2d6d-5cce-4fca-8853-4834334c534d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_DebtSecuritiesTradingAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate_76b44c9c-66bd-4a39-aae3-32ffee59506e" xlink:href="kos-20251231.xsd#kos_DebtSecuritiesTradingAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_DebtSecuritiesTradingAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10_e6ab4e2c-3988-4996-aeec-d83526e4ac4e" xlink:href="kos-20251231.xsd#kos_DebtSecuritiesTradingAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_DebtSecuritiesTradingAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate_76b44c9c-66bd-4a39-aae3-32ffee59506e" xlink:to="loc_kos_DebtSecuritiesTradingAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10_e6ab4e2c-3988-4996-aeec-d83526e4ac4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_DebtSecuritiesTradingAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10_4f5c0bb3-06f8-4964-964e-49b21aeb5fb4" xlink:href="kos-20251231.xsd#kos_DebtSecuritiesTradingAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_DebtSecuritiesTradingAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate_76b44c9c-66bd-4a39-aae3-32ffee59506e" xlink:to="loc_kos_DebtSecuritiesTradingAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10_4f5c0bb3-06f8-4964-964e-49b21aeb5fb4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_DebtSecuritiesTradingAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateLessThanFiveYears_cb6a96c4-c13a-4d3c-b35a-66220b188a44" xlink:href="kos-20251231.xsd#kos_DebtSecuritiesTradingAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateLessThanFiveYears"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_kos_DebtSecuritiesTradingAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate_76b44c9c-66bd-4a39-aae3-32ffee59506e" xlink:to="loc_kos_DebtSecuritiesTradingAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateLessThanFiveYears_cb6a96c4-c13a-4d3c-b35a-66220b188a44" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/IncomeTaxesScheduleofComponentsofIncomeLossBeforeIncomeTaxesDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#IncomeTaxesScheduleofComponentsofIncomeLossBeforeIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/IncomeTaxesScheduleofComponentsofIncomeLossBeforeIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c7bdd-b3c5-7b80-909f-fd1cfbafcec6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_019c7bdd-b3c5-7ae6-83ee-5507fc50420b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c7bdd-b3c5-7b80-909f-fd1cfbafcec6" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_019c7bdd-b3c5-7ae6-83ee-5507fc50420b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_019c7bdd-b3c5-7383-8027-3f1636ff0c07" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c7bdd-b3c5-7b80-909f-fd1cfbafcec6" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_019c7bdd-b3c5-7383-8027-3f1636ff0c07" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/IncomeTaxesScheduleofComponentsofProvisionforIncomeTaxesAttributabletoIncomeLossBeforeIncomeTaxesDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#IncomeTaxesScheduleofComponentsofProvisionforIncomeTaxesAttributabletoIncomeLossBeforeIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/IncomeTaxesScheduleofComponentsofProvisionforIncomeTaxesAttributabletoIncomeLossBeforeIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019c7ba0-d492-7fd6-875e-b922578c5be5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefit_019c7ba0-d492-72cb-a778-82a075ef5fca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019c7ba0-d492-7fd6-875e-b922578c5be5" xlink:to="loc_us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefit_019c7ba0-d492-72cb-a778-82a075ef5fca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_019c7ba0-d492-7cf0-84e0-fe02a1a66f29" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019c7ba0-d492-7fd6-875e-b922578c5be5" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_019c7ba0-d492-7cf0-84e0-fe02a1a66f29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_019c7ba0-a778-70f8-812e-e30ba5c2360e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefit_019c7ba0-a778-7884-909c-3322c2fe6578" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_019c7ba0-a778-70f8-812e-e30ba5c2360e" xlink:to="loc_us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefit_019c7ba0-a778-7884-909c-3322c2fe6578" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_019c7ba0-a778-7e11-b406-0706c7cb4847" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_019c7ba0-a778-70f8-812e-e30ba5c2360e" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_019c7ba0-a778-7e11-b406-0706c7cb4847" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_dc2fe96f-e48a-4d55-91f1-a61d8d89763a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_8a2e6605-1ed1-4433-86a6-62fb098eb852" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_dc2fe96f-e48a-4d55-91f1-a61d8d89763a" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_8a2e6605-1ed1-4433-86a6-62fb098eb852" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_df19294a-c07b-4445-b6dc-e987361b92bc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_dc2fe96f-e48a-4d55-91f1-a61d8d89763a" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_df19294a-c07b-4445-b6dc-e987361b92bc" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/IncomeTaxesScheduleofIncomeTaxExpenseBenefitandReportedEffectiveTaxRateDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#IncomeTaxesScheduleofIncomeTaxExpenseBenefitandReportedEffectiveTaxRateDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/IncomeTaxesScheduleofIncomeTaxExpenseBenefitandReportedEffectiveTaxRateDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c7ab8-e767-7030-a69d-aacc622b0490" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_019c7ab8-e767-7fba-85e0-2995a6612ecf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c7ab8-e767-7030-a69d-aacc622b0490" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_019c7ab8-e767-7fba-85e0-2995a6612ecf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_019c7ab8-e767-7ab2-85a6-9f0c65afc766" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c7ab8-e767-7030-a69d-aacc622b0490" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_019c7ab8-e767-7ab2-85a6-9f0c65afc766" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_019c7ab8-e767-7d85-bb3b-f53abc23f496" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c7ab8-e767-7030-a69d-aacc622b0490" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_019c7ab8-e767-7d85-bb3b-f53abc23f496" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_019c7ab8-e767-78fb-b280-353e525ec349" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c7ab8-e767-7030-a69d-aacc622b0490" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_019c7ab8-e767-78fb-b280-353e525ec349" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_019c7ab8-e767-7e6d-9396-67d03b063a00" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c7ab8-e767-7030-a69d-aacc622b0490" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_019c7ab8-e767-7e6d-9396-67d03b063a00" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent_019c7ab8-e767-7a79-aead-2560b330afe4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c7ab8-e767-7030-a69d-aacc622b0490" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent_019c7ab8-e767-7a79-aead-2560b330afe4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_019c7ab8-e767-7df4-bb1f-3ffa51c2d763" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c7ab8-e767-7030-a69d-aacc622b0490" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_019c7ab8-e767-7df4-bb1f-3ffa51c2d763" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationFdiiPercent_019c7ab8-e767-77a1-9b99-e4856b7c7055" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationFdiiPercent"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c7ab8-e767-7030-a69d-aacc622b0490" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationFdiiPercent_019c7ab8-e767-77a1-9b99-e4856b7c7055" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderOtherPercent_019c7ab8-e767-73e3-97c9-e8c664de3ed2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderOtherPercent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c7ab8-e767-7030-a69d-aacc622b0490" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderOtherPercent_019c7ab8-e767-73e3-97c9-e8c664de3ed2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits_019c7ab8-e767-7223-aab2-5b4c510d3829" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c7ab8-e767-7030-a69d-aacc622b0490" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits_019c7ab8-e767-7223-aab2-5b4c510d3829" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_019ca0b0-f7fd-7f7a-be24-1ea276fcb81f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c7ab8-e767-7030-a69d-aacc622b0490" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_019ca0b0-f7fd-7f7a-be24-1ea276fcb81f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_019ca0b0-f7fd-743c-89bc-b8a7bacfc6f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c7ab8-e767-7030-a69d-aacc622b0490" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_019ca0b0-f7fd-743c-89bc-b8a7bacfc6f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019c477e-4e9a-7ff9-9656-437ee370b65f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_019c477e-4e9a-7e27-95c7-2767f0f688d5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c477e-4e9a-7ff9-9656-437ee370b65f" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_019c477e-4e9a-7e27-95c7-2767f0f688d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_019c477e-4e9a-7fe0-9243-41228b45d7fd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c477e-4e9a-7ff9-9656-437ee370b65f" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_019c477e-4e9a-7fe0-9243-41228b45d7fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_019c477e-4e9a-7be1-92a1-d0c28606f158" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c477e-4e9a-7ff9-9656-437ee370b65f" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_019c477e-4e9a-7be1-92a1-d0c28606f158" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_019c477e-4e9a-71db-9d06-9edb46dce926" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c477e-4e9a-7ff9-9656-437ee370b65f" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_019c477e-4e9a-71db-9d06-9edb46dce926" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderOtherAmount_019c477e-4e9a-7e10-9b4c-1e8507db5f31" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderOtherAmount"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c477e-4e9a-7ff9-9656-437ee370b65f" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderOtherAmount_019c477e-4e9a-7e10-9b4c-1e8507db5f31" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_019c477e-4e9a-7509-9e47-3c858ad5ee15" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c477e-4e9a-7ff9-9656-437ee370b65f" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_019c477e-4e9a-7509-9e47-3c858ad5ee15" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationFdiiAmount_019c477e-4e9a-7145-9229-30deeec16a89" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationFdiiAmount"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c477e-4e9a-7ff9-9656-437ee370b65f" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationFdiiAmount_019c477e-4e9a-7145-9229-30deeec16a89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_019c66cf-ee5e-7483-aa95-dc0450807634" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationTaxContingencies"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c477e-4e9a-7ff9-9656-437ee370b65f" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_019c66cf-ee5e-7483-aa95-dc0450807634" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount_019c66d3-ff36-757c-aa34-ce73a1b87151" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c477e-4e9a-7ff9-9656-437ee370b65f" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount_019c66d3-ff36-757c-aa34-ce73a1b87151" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCredits_019c66d3-ff36-7a65-b8e9-ae191fe8095f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationTaxCredits"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c477e-4e9a-7ff9-9656-437ee370b65f" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCredits_019c66d3-ff36-7a65-b8e9-ae191fe8095f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_019ca0b1-9abd-7abd-ba0e-551d70703c2c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c477e-4e9a-7ff9-9656-437ee370b65f" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_019ca0b1-9abd-7abd-ba0e-551d70703c2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_019ca0b1-9abd-76d0-9fa2-18ffb6ecda47" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c477e-4e9a-7ff9-9656-437ee370b65f" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_019ca0b1-9abd-76d0-9fa2-18ffb6ecda47" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_9d1b0925-622f-448d-8a7f-13bbaef514b2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_9633a2b3-554e-48d5-9970-7c5ffbe642a7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_9d1b0925-622f-448d-8a7f-13bbaef514b2" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_9633a2b3-554e-48d5-9970-7c5ffbe642a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_f95ae5fb-7020-4e96-b7a8-1af274730381" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_9d1b0925-622f-448d-8a7f-13bbaef514b2" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_f95ae5fb-7020-4e96-b7a8-1af274730381" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_452f44b2-0f45-48b5-91c3-6edd3b36f5e2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_DeferredTaxAssetsForeignCapitalizedOperatingExpenses_9923e0a5-000c-4df2-b00d-64db696ca8f6" xlink:href="kos-20251231.xsd#kos_DeferredTaxAssetsForeignCapitalizedOperatingExpenses"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_452f44b2-0f45-48b5-91c3-6edd3b36f5e2" xlink:to="loc_kos_DeferredTaxAssetsForeignCapitalizedOperatingExpenses_9923e0a5-000c-4df2-b00d-64db696ca8f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign_e363dfee-6f2a-4c82-9b9f-75954bd9b873" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_452f44b2-0f45-48b5-91c3-6edd3b36f5e2" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign_e363dfee-6f2a-4c82-9b9f-75954bd9b873" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_c527e5b9-4e3a-4b99-be60-971d52324b35" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_452f44b2-0f45-48b5-91c3-6edd3b36f5e2" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_c527e5b9-4e3a-4b99-be60-971d52324b35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_DeferredTaxAssetsAssetRetirementObligationAndOther_f1164cb6-25a5-49d6-9a11-6aef87e6fcd9" xlink:href="kos-20251231.xsd#kos_DeferredTaxAssetsAssetRetirementObligationAndOther"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_452f44b2-0f45-48b5-91c3-6edd3b36f5e2" xlink:to="loc_kos_DeferredTaxAssetsAssetRetirementObligationAndOther_f1164cb6-25a5-49d6-9a11-6aef87e6fcd9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_dc0fdd79-c798-4522-ba83-645cd23ef442" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_452f44b2-0f45-48b5-91c3-6edd3b36f5e2" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_dc0fdd79-c798-4522-ba83-645cd23ef442" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetInterestCarryforward_98375a01-eabc-4d34-b326-d4ac9afb15c2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetInterestCarryforward"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_452f44b2-0f45-48b5-91c3-6edd3b36f5e2" xlink:to="loc_us-gaap_DeferredTaxAssetInterestCarryforward_98375a01-eabc-4d34-b326-d4ac9afb15c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilities_d910936c-759e-4f83-948a-def72ad363bf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_aa822b71-9c55-456f-abdb-445ba09f092e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_d910936c-759e-4f83-948a-def72ad363bf" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_aa822b71-9c55-456f-abdb-445ba09f092e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_dc16d331-f6f5-4917-a97f-46aa67297264" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_d910936c-759e-4f83-948a-def72ad363bf" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_dc16d331-f6f5-4917-a97f-46aa67297264" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_af264726-f366-4974-badc-039e3858dbfe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_0bd7089f-aea7-4cdd-b480-0619836f5f6b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_af264726-f366-4974-badc-039e3858dbfe" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_0bd7089f-aea7-4cdd-b480-0619836f5f6b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_e7a02750-9133-4cf3-a052-098afd2ba9df" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_af264726-f366-4974-badc-039e3858dbfe" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_e7a02750-9133-4cf3-a052-098afd2ba9df" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/IncomeTaxesScheduleofCashTaxesPaidDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#IncomeTaxesScheduleofCashTaxesPaidDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/IncomeTaxesScheduleofCashTaxesPaidDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_019c8fd2-81aa-7ebf-8119-bac7a799eae8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxesPaidNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPaidForeignAfterRefundReceived_019c8fd2-81aa-7e47-9bf1-dc08a7c29c95" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxPaidForeignAfterRefundReceived"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_019c8fd2-81aa-7ebf-8119-bac7a799eae8" xlink:to="loc_us-gaap_IncomeTaxPaidForeignAfterRefundReceived_019c8fd2-81aa-7e47-9bf1-dc08a7c29c95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_IncomeTaxPaidOtherAfterRefundReceived_019c8fd2-81aa-7cd4-a0ed-045621b97284" xlink:href="kos-20251231.xsd#kos_IncomeTaxPaidOtherAfterRefundReceived"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_019c8fd2-81aa-7ebf-8119-bac7a799eae8" xlink:to="loc_kos_IncomeTaxPaidOtherAfterRefundReceived_019c8fd2-81aa-7cd4-a0ed-045621b97284" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/NetIncomeLossPerShareDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#NetIncomeLossPerShareDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/NetIncomeLossPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_e42a2906-2a3b-422e-8adb-0d593d8beedd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5415d558-0efc-41ef-9975-f80d1f5ebdb3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_e42a2906-2a3b-422e-8adb-0d593d8beedd" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5415d558-0efc-41ef-9975-f80d1f5ebdb3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_37573ee3-7d16-40ab-9086-d4264732bfbf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_e42a2906-2a3b-422e-8adb-0d593d8beedd" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_37573ee3-7d16-40ab-9086-d4264732bfbf" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/AdditionalFinancialInformationScheduleofAccruedLiabilitiesDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#AdditionalFinancialInformationScheduleofAccruedLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/AdditionalFinancialInformationScheduleofAccruedLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_0ceafacd-dd21-4878-8063-125ec6cacb23" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_AccruedExplorationDevelopmentAndProductionCostsCurrent_0062acff-9334-4e8c-8d9a-935967c37fd0" xlink:href="kos-20251231.xsd#kos_AccruedExplorationDevelopmentAndProductionCostsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0ceafacd-dd21-4878-8063-125ec6cacb23" xlink:to="loc_kos_AccruedExplorationDevelopmentAndProductionCostsCurrent_0062acff-9334-4e8c-8d9a-935967c37fd0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationCurrent_019c4796-3bb5-7d4b-9b27-57a43195108b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetRetirementObligationCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0ceafacd-dd21-4878-8063-125ec6cacb23" xlink:to="loc_us-gaap_AssetRetirementObligationCurrent_019c4796-3bb5-7d4b-9b27-57a43195108b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_27e92a0c-8b16-43a4-907c-4b6ce7195a26" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0ceafacd-dd21-4878-8063-125ec6cacb23" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_27e92a0c-8b16-43a4-907c-4b6ce7195a26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_AccrualForAllOtherTaxesCurrent_bc2bec2e-986d-4f9f-8740-c1475a35d2c0" xlink:href="kos-20251231.xsd#kos_AccrualForAllOtherTaxesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0ceafacd-dd21-4878-8063-125ec6cacb23" xlink:to="loc_kos_AccrualForAllOtherTaxesCurrent_bc2bec2e-986d-4f9f-8740-c1475a35d2c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_AccruedGeneralAndAdministrativeExpensesCurrent_ed7a627b-b015-4e69-8e9f-0b2ddc1984ee" xlink:href="kos-20251231.xsd#kos_AccruedGeneralAndAdministrativeExpensesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0ceafacd-dd21-4878-8063-125ec6cacb23" xlink:to="loc_kos_AccruedGeneralAndAdministrativeExpensesCurrent_ed7a627b-b015-4e69-8e9f-0b2ddc1984ee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_189cda5c-1b40-4d8c-868d-477740e1e0d1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestPayableCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0ceafacd-dd21-4878-8063-125ec6cacb23" xlink:to="loc_us-gaap_InterestPayableCurrent_189cda5c-1b40-4d8c-868d-477740e1e0d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_a5c46b36-af62-45ab-8314-131b067af6dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0ceafacd-dd21-4878-8063-125ec6cacb23" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_a5c46b36-af62-45ab-8314-131b067af6dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_DerivativeLiabilitySettledCurrent_a5e0e425-b7bb-4ad9-9665-812872230c21" xlink:href="kos-20251231.xsd#kos_DerivativeLiabilitySettledCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0ceafacd-dd21-4878-8063-125ec6cacb23" xlink:to="loc_kos_DerivativeLiabilitySettledCurrent_a5e0e425-b7bb-4ad9-9665-812872230c21" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_6d232443-e04e-488e-afd0-a16966d2d28d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_0ceafacd-dd21-4878-8063-125ec6cacb23" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_6d232443-e04e-488e-afd0-a16966d2d28d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/AdditionalFinancialInformationScheduleofOtherExpensesNetDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#AdditionalFinancialInformationScheduleofOtherExpensesNetDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/AdditionalFinancialInformationScheduleofOtherExpensesNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_d03c30b4-d172-4c31-8dd9-7d814006ebed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingGainsLosses_96de0c83-5651-44fd-a296-fb5b7f3b3d5d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingGainsLosses"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_d03c30b4-d172-4c31-8dd9-7d814006ebed" xlink:to="loc_us-gaap_OtherNonoperatingGainsLosses_96de0c83-5651-44fd-a296-fb5b7f3b3d5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWriteDown_8538c1a6-bf97-4702-8840-f501438312b1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryWriteDown"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_d03c30b4-d172-4c31-8dd9-7d814006ebed" xlink:to="loc_us-gaap_InventoryWriteDown_8538c1a6-bf97-4702-8840-f501438312b1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_GainLossOnAssetRetirementObligationLiabilitiesSettled_7de81e19-7dd6-459c-af0d-67bbe72697f8" xlink:href="kos-20251231.xsd#kos_GainLossOnAssetRetirementObligationLiabilitiesSettled"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_d03c30b4-d172-4c31-8dd9-7d814006ebed" xlink:to="loc_kos_GainLossOnAssetRetirementObligationLiabilitiesSettled_7de81e19-7dd6-459c-af0d-67bbe72697f8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/CondensedParentCompanyFinancialStatementsBalanceSheetDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#CondensedParentCompanyFinancialStatementsBalanceSheetDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/CondensedParentCompanyFinancialStatementsBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019c7bfd-5114-7703-8f2a-11e2e24ff5ae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_019c7bfd-5114-7983-9fb8-6b79958161a2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c7bfd-5114-7703-8f2a-11e2e24ff5ae" xlink:to="loc_us-gaap_AccountsPayableCurrent_019c7bfd-5114-7983-9fb8-6b79958161a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_019c7bfd-5114-7009-b5ae-3ec26f8b73a1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c7bfd-5114-7703-8f2a-11e2e24ff5ae" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_019c7bfd-5114-7009-b5ae-3ec26f8b73a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019c7bfd-5114-746b-957b-3186e1ba769e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c7bfd-5114-7703-8f2a-11e2e24ff5ae" xlink:to="loc_us-gaap_LongTermDebtCurrent_019c7bfd-5114-746b-957b-3186e1ba769e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_019c7bfd-5114-7258-984a-40f4fd93098c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c7bfd-5114-7703-8f2a-11e2e24ff5ae" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_019c7bfd-5114-7258-984a-40f4fd93098c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_019c7bfd-79f8-7160-b8a7-f05576e05bb2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019c7bfd-79f8-7510-87c3-3bbf7b217491" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019c7bfd-79f8-7160-b8a7-f05576e05bb2" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019c7bfd-79f8-7510-87c3-3bbf7b217491" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_019c7bfd-79f8-7eb6-b97b-593b8989ef3e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019c7bfd-79f8-7160-b8a7-f05576e05bb2" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_019c7bfd-79f8-7eb6-b97b-593b8989ef3e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019c7bfd-79f8-7c08-82a0-7a852f6eecbe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019c7bfd-79f8-7160-b8a7-f05576e05bb2" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019c7bfd-79f8-7c08-82a0-7a852f6eecbe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_c657b306-f5e3-47fa-9f9d-e27038231891" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_fdc7c251-fe11-4e87-beaa-291cd3b3cd49" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c657b306-f5e3-47fa-9f9d-e27038231891" xlink:to="loc_us-gaap_AssetsCurrent_fdc7c251-fe11-4e87-beaa-291cd3b3cd49" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_3558affb-2ad8-465c-acdf-68c133fe68ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c657b306-f5e3-47fa-9f9d-e27038231891" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_3558affb-2ad8-465c-acdf-68c133fe68ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_289afe6a-1798-4eb7-8553-b4118d9370a3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMethodInvestments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c657b306-f5e3-47fa-9f9d-e27038231891" xlink:to="loc_us-gaap_EquityMethodInvestments_289afe6a-1798-4eb7-8553-b4118d9370a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_019c66e2-5b34-7efc-89fa-69ff5d54dbd9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c657b306-f5e3-47fa-9f9d-e27038231891" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_019c66e2-5b34-7efc-89fa-69ff5d54dbd9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_019c66e2-5b34-7c9c-b6ff-710e77f006f0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c657b306-f5e3-47fa-9f9d-e27038231891" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_019c66e2-5b34-7c9c-b6ff-710e77f006f0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/CondensedParentCompanyFinancialStatementsStatementofOperationsDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#CondensedParentCompanyFinancialStatementsStatementofOperationsDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/CondensedParentCompanyFinancialStatementsStatementofOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_b13ec016-71e4-4242-b4a7-7af88289af90" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_InterestExpenseIncomeNet_8c0e9149-7199-45d7-a8d8-020f748afda2" xlink:href="kos-20251231.xsd#kos_InterestExpenseIncomeNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_b13ec016-71e4-4242-b4a7-7af88289af90" xlink:to="loc_kos_InterestExpenseIncomeNet_8c0e9149-7199-45d7-a8d8-020f748afda2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_IncomeLossFromEquityMethodInvestmentsInConsolidatedSubsidiaries_8ba33dc7-57e8-4ae9-9f1f-0b31fdda5ffa" xlink:href="kos-20251231.xsd#kos_IncomeLossFromEquityMethodInvestmentsInConsolidatedSubsidiaries"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_b13ec016-71e4-4242-b4a7-7af88289af90" xlink:to="loc_kos_IncomeLossFromEquityMethodInvestmentsInConsolidatedSubsidiaries_8ba33dc7-57e8-4ae9-9f1f-0b31fdda5ffa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_GainLossOnCommodityDerivativeInstrumentsNetPretax_c381aafd-dbc4-4a3b-bd87-1b0200792c30" xlink:href="kos-20251231.xsd#kos_GainLossOnCommodityDerivativeInstrumentsNetPretax"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_b13ec016-71e4-4242-b4a7-7af88289af90" xlink:to="loc_kos_GainLossOnCommodityDerivativeInstrumentsNetPretax_c381aafd-dbc4-4a3b-bd87-1b0200792c30" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_32264734-667c-4194-acc7-536c857f51eb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_b13ec016-71e4-4242-b4a7-7af88289af90" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_32264734-667c-4194-acc7-536c857f51eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_e2ba1d6b-93b8-4731-88d2-f4d0792df5c4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_b13ec016-71e4-4242-b4a7-7af88289af90" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_e2ba1d6b-93b8-4731-88d2-f4d0792df5c4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kosmosenergy.com/role/CondensedParentCompanyFinancialStatementsStatementsofCashFlowsDetails" xlink:type="simple" xlink:href="kos-20251231.xsd#CondensedParentCompanyFinancialStatementsStatementsofCashFlowsDetails"/>
  <link:calculationLink xlink:role="http://www.kosmosenergy.com/role/CondensedParentCompanyFinancialStatementsStatementsofCashFlowsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3bdb4367-6022-4426-bf06-dc459a852105" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_202e6cb4-7f29-4961-8b78-7f5e0b6d8777" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3bdb4367-6022-4426-bf06-dc459a852105" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_202e6cb4-7f29-4961-8b78-7f5e0b6d8777" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_d0d9dd65-d61d-4d94-ba01-9daf0988e953" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3bdb4367-6022-4426-bf06-dc459a852105" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_d0d9dd65-d61d-4d94-ba01-9daf0988e953" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_IncomeLossFromEquityMethodInvestmentsInConsolidatedSubsidiaries_324ca199-b5c1-4423-8a97-45182ba000d7" xlink:href="kos-20251231.xsd#kos_IncomeLossFromEquityMethodInvestmentsInConsolidatedSubsidiaries"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3bdb4367-6022-4426-bf06-dc459a852105" xlink:to="loc_kos_IncomeLossFromEquityMethodInvestmentsInConsolidatedSubsidiaries_324ca199-b5c1-4423-8a97-45182ba000d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_e6fed00f-c296-4e1a-9b7b-ee835459c004" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInReceivables"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3bdb4367-6022-4426-bf06-dc459a852105" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_e6fed00f-c296-4e1a-9b7b-ee835459c004" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_78f28817-30b7-4d7c-8290-388c307bc328" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3bdb4367-6022-4426-bf06-dc459a852105" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_78f28817-30b7-4d7c-8290-388c307bc328" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kos_IncreaseDecreaseInDueFromToRelatedParties_cac82eb1-7214-45c2-86c9-d267fe8e4291" xlink:href="kos-20251231.xsd#kos_IncreaseDecreaseInDueFromToRelatedParties"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3bdb4367-6022-4426-bf06-dc459a852105" xlink:to="loc_kos_IncreaseDecreaseInDueFromToRelatedParties_cac82eb1-7214-45c2-86c9-d267fe8e4291" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_2cb3e162-c0f7-4853-8a7e-9cb5f0889c31" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3bdb4367-6022-4426-bf06-dc459a852105" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_2cb3e162-c0f7-4853-8a7e-9cb5f0889c31" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_759dbdca-c375-48a9-bef2-a813ad0dcccf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3bdb4367-6022-4426-bf06-dc459a852105" xlink:to="loc_us-gaap_NetIncomeLoss_759dbdca-c375-48a9-bef2-a813ad0dcccf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_8c723572-5049-4863-a084-37ca5fbd12b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3bdb4367-6022-4426-bf06-dc459a852105" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_8c723572-5049-4863-a084-37ca5fbd12b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_82b37170-81b0-42f4-9c6d-124a319063bb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3bdb4367-6022-4426-bf06-dc459a852105" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_82b37170-81b0-42f4-9c6d-124a319063bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_a399d4ea-de20-42a7-a44a-c14bc66341fc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3bdb4367-6022-4426-bf06-dc459a852105" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_a399d4ea-de20-42a7-a44a-c14bc66341fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_a70c5e55-f9f2-4157-afeb-b2b529336813" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3bdb4367-6022-4426-bf06-dc459a852105" xlink:to="loc_us-gaap_ShareBasedCompensation_a70c5e55-f9f2-4157-afeb-b2b529336813" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d30468fb-6b99-41c6-8ff1-48bb9db41122" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_91d1ddb9-489b-4517-b308-27fb1f623d04" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d30468fb-6b99-41c6-8ff1-48bb9db41122" xlink:to="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_91d1ddb9-489b-4517-b308-27fb1f623d04" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
