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

    <schemaVersion>X0708</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001725560</cik>
        <entityName>INVENTUS CAPITAL PARTNERS FUND III, L.P.</entityName>
        <issuerAddress>
            <street1>1325 Howard Avenue</street1>
            <street2>Suite 244</street2>
            <city>Burlingame</city>
            <stateOrCountry>CA</stateOrCountry>
            <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
            <zipCode>94010</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>415-599-5336</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2018</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>GENERAL PARTNER</firstName>
                <lastName>INVENTUS CAPITAL MANAGEMENT III, L.P.</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1325 Howard Avenue</street1>
                <street2>Suite 244</street2>
                <city>Burlingame</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94010</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>GENERAL PARTNER OF THE ISSUER</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>JOHN</firstName>
                <middleName>R.</middleName>
                <lastName>DOUGERY, JR.</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1325 Howard Avenue</street1>
                <street2>Suite 244</street2>
                <city>Burlingame</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94010</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>DIRECTOR OF THE GP OF THE GP OF THE ISSUER</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>KANWAL</firstName>
                <lastName>REKHI</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1325 Howard Avenue</street1>
                <street2>Suite 244</street2>
                <city>Burlingame</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94010</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>DIRECTOR OF THE GP OF THE GP OF THE ISSUER</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Venture Capital 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>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001725560-19-000001</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2018-09-07</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>26827500</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse>We are aggregating the offering of interests in Inventus Capital Partners Fund III, L.P., a Cayman Island limited partnership, and those of its successor-in-interest, Inventus Capital Partners Fund III, L.P., a Delaware limited partnership.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>72</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 ISSUER'S GENERAL PARTNER, OR AN AFFILIATE OF THE ISSUER'S GENERAL PARTNER, MAY BE ENTITLED TO RECEIVE A MANAGEMENT FEE IN ACCORDANCE WITH THE ISSUER'S GOVERNING DOCUMENTATION, AS AMENDED FROM TIME TO TIME.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>INVENTUS CAPITAL PARTNERS FUND III, L.P.</issuerName>
                <signatureName>/s/JOHN R. DOUGERY, JR.</signatureName>
                <nameOfSigner>JOHN R. DOUGERY, JR.</nameOfSigner>
                <signatureTitle>Director of the Gen Partner of the Gen Partner of the Issuer</signatureTitle>
                <signatureDate>2021-01-12</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
