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    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001634680</cik>
        <entityName>Rothko All Countries World Ex-US Equity Fund, L.P.</entityName>
        <issuerAddress>
            <street1>1105 NORTH MARKET ST</street1>
            <street2>SUITE 1300</street2>
            <city>WILMINGTON</city>
            <stateOrCountry>DE</stateOrCountry>
            <stateOrCountryDescription>DELAWARE</stateOrCountryDescription>
            <zipCode>19801</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>302-428-3839</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2014</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Paul</firstName>
                <middleName>Michael</middleName>
                <lastName>Ross</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1105 N. Market Street</street1>
                <street2>Suite 1300</street2>
                <city>Wilmington</city>
                <stateOrCountry>DE</stateOrCountry>
                <stateOrCountryDescription>DELAWARE</stateOrCountryDescription>
                <zipCode>19801</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Executive Officer and Director of Mondrian Investment Group (U.S.) Inc., the general partner of the Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Patricia</firstName>
                <middleName>Marie</middleName>
                <lastName>Karolyi</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1105 N. Market Street</street1>
                <street2>Suite 1300</street2>
                <city>Wilmington</city>
                <stateOrCountry>DE</stateOrCountry>
                <stateOrCountryDescription>DELAWARE</stateOrCountryDescription>
                <zipCode>19801</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Executive Officer and Director of Mondrian Investment Group (U.S.) Inc., the general partner of the Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jason</firstName>
                <middleName>Charles</middleName>
                <lastName>Menegakis</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1105 N. Market Street</street1>
                <street2>Suite 1300</street2>
                <city>Wilmington</city>
                <stateOrCountry>DE</stateOrCountry>
                <stateOrCountryDescription>DELAWARE</stateOrCountryDescription>
                <zipCode>19801</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Executive Officer and Director of Mondrian Investment Group (U.S.) Inc., the general partner of the Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Heather</firstName>
                <middleName>Rebecca</middleName>
                <lastName>Hill</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1105 N. Market Street</street1>
                <street2>Suite 1300</street2>
                <city>Wilmington</city>
                <stateOrCountry>DE</stateOrCountry>
                <stateOrCountryDescription>DELAWARE</stateOrCountryDescription>
                <zipCode>19801</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Executive Officer of Mondrian Investment Group (U.S.) Inc., the general partner of the Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Clive</firstName>
                <middleName>Ashley</middleName>
                <lastName>Gillmore</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1105 N. Market Street</street1>
                <street2>Suite 1300</street2>
                <city>Wilmington</city>
                <stateOrCountry>DE</stateOrCountry>
                <stateOrCountryDescription>DELAWARE</stateOrCountryDescription>
                <zipCode>19801</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director of Mondrian Investment Group (U.S.) Inc., the general partner of the Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>William</firstName>
                <lastName>Langan</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1105 N. Market Street</street1>
                <street2>Suite 1300</street2>
                <city>Wilmington</city>
                <stateOrCountry>DE</stateOrCountry>
                <stateOrCountryDescription>DELAWARE</stateOrCountryDescription>
                <zipCode>19801</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Executive Officer and Director of Mondrian Investment Group (U.S.) Inc., the general partner of the Issuer</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Other Investment Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <aggregateNetAssetValueRange>Decline to Disclose</aggregateNetAssetValueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
            <item>3C</item>
            <item>3C.7</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001393725-18-000031</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2015-05-01</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>5000000</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>2</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>Customary advisory fees are paid by the Issuer to the General Partner as provided for in the Issuer's offering materials.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Rothko All Countries World Ex-US Equity Fund, L.P.</issuerName>
                <signatureName>/s/ Heather Hill</signatureName>
                <nameOfSigner>Heather Hill</nameOfSigner>
                <signatureTitle>Executive Officer of the General Partner of the Issuer</signatureTitle>
                <signatureDate>2019-03-04</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
