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

    <schemaVersion>X0401</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001437860</cik>
        <entityName>1798 RELATIVE VALUE FUND LP</entityName>
        <issuerAddress>
            <street1>888 SEVENTH AVENUE</street1>
            <street2>11TH FLOOR</street2>
            <city>NEW YORK</city>
            <stateOrCountry>NY</stateOrCountry>
            <zipCode>10106</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>212-295-6200</issuerPhoneNumber>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2007</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>1798 Global Partners LLC</firstName>
                <middleName></middleName>
                <lastName>1798 Global Partners LLC</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>888 Seventh Avenue, 11th Floor</street1>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <zipCode>10106</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>General Partner</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>1798 Global Partners (Cayman Islands) Ltd</firstName>
                <middleName></middleName>
                <lastName>1798 Global Partners (Cayman Islands) Ltd</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>PO Box 309GT, Ugland House, South Church</street1>
                <city>George Town</city>
                <stateOrCountry>E9</stateOrCountry>
                <zipCode>KY1-1104</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Managing Member of the General Partner</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Sean</firstName>
                <middleName></middleName>
                <lastName>Flynn</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>PO Box 242, 45 Market St, Gardenia Ct</street1>
                <city>Camana Bay, Grand Cayman</city>
                <stateOrCountry>E9</stateOrCountry>
                <zipCode>KY1-1104</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Patrick</firstName>
                <middleName></middleName>
                <lastName>Harrigan</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>PO Box 242, 45 Market St, Gardenia Ct</street1>
                <city>Camana Bay, Grand Cayman</city>
                <stateOrCountry>E9</stateOrCountry>
                <zipCode>KY1-1104</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Eliott</firstName>
                <middleName></middleName>
                <lastName>Frank</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>888 Seventh Avenue, 11th Floor</street1>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <zipCode>10106</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Aziz</firstName>
                <middleName></middleName>
                <lastName>Nahas</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Rue de la Corraterie 11, 1204</street1>
                <city>Geneva</city>
                <stateOrCountry>V8</stateOrCountry>
                <zipCode>1201</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Hubert</firstName>
                <middleName></middleName>
                <lastName>Keller</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Rue de la Corraterie 11, 1204</street1>
                <city>Geneva</city>
                <stateOrCountry>V8</stateOrCountry>
                <zipCode>1201</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Hedge Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <aggregateNetAssetValueRange>Decline to Disclose</aggregateNetAssetValueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
            <item>3C</item>
            <item>3C.7</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>9999999997-08-028584</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2008-01-01</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>1000000</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>30850000</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>4</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>1798 RELATIVE VALUE FUND LP</issuerName>
                <signatureName>/s/ Eliott Frank</signatureName>
                <nameOfSigner>Eliott Frank</nameOfSigner>
                <signatureTitle>Director of the Managing Member of the Gen Ptnr</signatureTitle>
                <signatureDate>2009-06-02</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
