<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0708</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0002003462</cik>
        <entityName>ESTANCIA CAPITAL PARTNERS FUND III-A, L.P.</entityName>
        <issuerAddress>
            <street1>20865 NORTH 90TH PLACE, SUITE 200</street1>
            <city>SCOTTSDALE</city>
            <stateOrCountry>AZ</stateOrCountry>
            <stateOrCountryDescription>ARIZONA</stateOrCountryDescription>
            <zipCode>85255</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(480) 448-5001</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2021</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>MICHAEL</firstName>
                <middleName>C.</middleName>
                <lastName>MENDEZ</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>20865 NORTH 90TH PLACE, SUITE 200</street1>
                <city>SCOTTSDALE</city>
                <stateOrCountry>AZ</stateOrCountry>
                <stateOrCountryDescription>ARIZONA</stateOrCountryDescription>
                <zipCode>85255</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>TAKASHI</firstName>
                <lastName>MORIUCHI</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>20865 NORTH 90TH PLACE, SUITE 200</street1>
                <city>SCOTTSDALE</city>
                <stateOrCountry>AZ</stateOrCountry>
                <stateOrCountryDescription>ARIZONA</stateOrCountryDescription>
                <zipCode>85255</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>DANNY</firstName>
                <lastName>KANG</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>20865 NORTH 90TH PLACE, SUITE 200</street1>
                <city>SCOTTSDALE</city>
                <stateOrCountry>AZ</stateOrCountry>
                <stateOrCountryDescription>ARIZONA</stateOrCountryDescription>
                <zipCode>85255</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>DARRIN</firstName>
                <lastName>JEFFRIES</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>20865 NORTH 90TH PLACE, SUITE 200</street1>
                <city>SCOTTSDALE</city>
                <stateOrCountry>AZ</stateOrCountry>
                <stateOrCountryDescription>ARIZONA</stateOrCountryDescription>
                <zipCode>85255</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Private Equity Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
            <item>3C</item>
            <item>3C.1</item>
            <item>3C.7</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0002003462-25-000001</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2023-12-27</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>285000000</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse>Total Amount Sold listed above is aggregated between the Issuer and its affiliated fund, Estancia Capital Partners Fund III, L.P.  The amount listed above includes commitments by the General Partner.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>3</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse>The general partner of the Issuer is entitled to a carried interest. An affiliate of the general partner is entitled to a management fee. The carried interest and management fee are fully disclosed in the Issuer's confidential offering materials.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>ESTANCIA CAPITAL PARTNERS FUND III-A, L.P.</issuerName>
                <signatureName>/S/ MICHAEL C. MENDEZ</signatureName>
                <nameOfSigner>MICHAEL C. MENDEZ</nameOfSigner>
                <signatureTitle>MANAGING DIRECTOR OF THE GP OF THE GP OF THE ISSUER</signatureTitle>
                <signatureDate>2026-04-23</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>