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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e27c4-484b-70a0-9043-7d0ba4c4ebf9,g:363c37a9-85ec-4db1-9fb5-354e2c8d2054-->
<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" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.cheniere.com/role/DocumentEntityInformationDocument" xlink:type="simple" xlink:href="cqp-20260728.xsd#DocumentEntityInformationDocument"/>
  <link:definitionLink xlink:role="http://www.cheniere.com/role/DocumentEntityInformationDocument" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_019e27c4-484b-7710-bc89-eeafdedf57d8" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_DocumentInformationTable_019e27c4-484b-7710-bc89-eeafdedf57d8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesAddressTypeAxis_019e27c4-484b-7fc4-881b-29234483864e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressesAddressTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_019e27c4-484b-7710-bc89-eeafdedf57d8" xlink:to="loc_dei_EntityAddressesAddressTypeAxis_019e27c4-484b-7fc4-881b-29234483864e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AddressTypeDomain_019e27c4-484b-7fc4-881b-29234483864e_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AddressTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_EntityAddressesAddressTypeAxis_019e27c4-484b-7fc4-881b-29234483864e" xlink:to="loc_dei_AddressTypeDomain_019e27c4-484b-7fc4-881b-29234483864e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AddressTypeDomain_019e27c4-484b-77d4-8f22-437081db1e79" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AddressTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_EntityAddressesAddressTypeAxis_019e27c4-484b-7fc4-881b-29234483864e" xlink:to="loc_dei_AddressTypeDomain_019e27c4-484b-77d4-8f22-437081db1e79" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019e27c4-484b-7fe0-b66e-4488c0f10ceb" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_EntityCentralIndexKey_019e27c4-484b-7fe0-b66e-4488c0f10ceb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019e27c4-484b-72ba-ae7c-d7e18995ab34" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_DocumentType_019e27c4-484b-72ba-ae7c-d7e18995ab34" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019e27c4-484b-79f3-b46e-0d5d7db492d9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_DocumentPeriodEndDate_019e27c4-484b-79f3-b46e-0d5d7db492d9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019e27c4-484b-7a3a-9823-ddcc6bb030d9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_EntityRegistrantName_019e27c4-484b-7a3a-9823-ddcc6bb030d9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019e27c4-484b-7ddb-a8ef-bf8647bc3ec2" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019e27c4-484b-7ddb-a8ef-bf8647bc3ec2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019e27c4-484b-7d5d-acba-c77100d3e6dc" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_EntityFileNumber_019e27c4-484b-7d5d-acba-c77100d3e6dc" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019e27c4-484b-7db9-93dc-1b7b8331061c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_EntityTaxIdentificationNumber_019e27c4-484b-7db9-93dc-1b7b8331061c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019e27c4-484b-7492-aa52-5823b2470653" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_EntityAddressAddressLine1_019e27c4-484b-7492-aa52-5823b2470653" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_019e27c4-484b-7ba7-a48b-18e42f21d485" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine2"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_EntityAddressAddressLine2_019e27c4-484b-7ba7-a48b-18e42f21d485" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019e27c4-484b-7f1c-a29e-cccc92dd3014" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_EntityAddressCityOrTown_019e27c4-484b-7f1c-a29e-cccc92dd3014" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019e27c4-484b-7e5d-86a7-390b3e0ba271" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_EntityAddressStateOrProvince_019e27c4-484b-7e5d-86a7-390b3e0ba271" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019e27c4-484b-7cd0-9b66-6898186d5ef7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_EntityAddressPostalZipCode_019e27c4-484b-7cd0-9b66-6898186d5ef7" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019e27c4-484b-7e04-bf74-253fa422ff9c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_CityAreaCode_019e27c4-484b-7e04-bf74-253fa422ff9c" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019e27c4-484b-7bf8-9c10-d60baf9829dc" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_LocalPhoneNumber_019e27c4-484b-7bf8-9c10-d60baf9829dc" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019e27c4-484b-702a-9462-c4557a8f2934" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_WrittenCommunications_019e27c4-484b-702a-9462-c4557a8f2934" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019e27c4-484b-72d2-8f10-c71a31463d8d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_SolicitingMaterial_019e27c4-484b-72d2-8f10-c71a31463d8d" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019e27c4-484b-70a5-b80c-19b6bdac3ce7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_PreCommencementTenderOffer_019e27c4-484b-70a5-b80c-19b6bdac3ce7" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019e27c4-484b-7200-a2b0-4a65936bf5c3" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019e27c4-484b-7200-a2b0-4a65936bf5c3" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019e27c4-484b-72cb-9028-1f074407b433" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_Security12bTitle_019e27c4-484b-72cb-9028-1f074407b433" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019e27c4-484b-745c-9ec9-63d00473e192" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_TradingSymbol_019e27c4-484b-745c-9ec9-63d00473e192" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019e27c4-484b-704f-833c-82ff5136e4e4" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_SecurityExchangeName_019e27c4-484b-704f-833c-82ff5136e4e4" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019e27c4-484b-7aa6-a836-1bf0f0b06033" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_EntityEmergingGrowthCompany_019e27c4-484b-7aa6-a836-1bf0f0b06033" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019e27c4-484b-7bda-8a03-9e6ce2de679d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e27c4-484b-7799-b9b9-d8545afc1618" xlink:to="loc_dei_AmendmentFlag_019e27c4-484b-7bda-8a03-9e6ce2de679d" xlink:type="arc" order="22"/>
  </link:definitionLink>
</link:linkbase>
