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

    <schemaVersion>X0708</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001706993</cik>
        <entityName>Oak Bridge Opportunity Fund LP8</entityName>
        <issuerAddress>
            <street1>8 THE GREEN</street1>
            <street2>SUITE 4000</street2>
            <city>DOVER</city>
            <stateOrCountry>DE</stateOrCountry>
            <stateOrCountryDescription>DELAWARE</stateOrCountryDescription>
            <zipCode>19901</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>9176059425</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Christopher</firstName>
                <lastName>Miller</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>5225 Library Road</street1>
                <street2>Suite 341</street2>
                <city>Bethel Park</city>
                <stateOrCountry>PA</stateOrCountry>
                <stateOrCountryDescription>PENNSYLVANIA</stateOrCountryDescription>
                <zipCode>15102</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Business Services</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06c</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2018-12-16</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>50000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Brian Biederman</recipientName>
                <recipientCRDNumber>1237596</recipientCRDNumber>
                <associatedBDName>Infinity Financial Services</associatedBDName>
                <associatedBDCRDNumber>144302</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>8404 Six Forks Road</street1>
                    <city>Raleight</city>
                    <stateOrCountry>NC</stateOrCountry>
                    <stateOrCountryDescription>NORTH CAROLINA</stateOrCountryDescription>
                    <zipCode>27615</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>NC</state>
                    <description>NORTH CAROLINA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Jeff Ganis</recipientName>
                <recipientCRDNumber>1328332</recipientCRDNumber>
                <associatedBDName>March Capital Corp</associatedBDName>
                <associatedBDCRDNumber>24142</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>30 North LsSalle Street</street1>
                    <street2>24142</street2>
                    <city>Chicago</city>
                    <stateOrCountry>IL</stateOrCountry>
                    <stateOrCountryDescription>ILLINOIS</stateOrCountryDescription>
                    <zipCode>60602</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>IL</state>
                    <description>ILLINOIS</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>20000000</totalOfferingAmount>
            <totalAmountSold>884348</totalAmountSold>
            <totalRemaining>19115652</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>6</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>58347</dollarAmount>
                <isEstimate>true</isEstimate>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse>6.5% payable to GP for Advisor Support Education, Organizational Expense Allowance, Offering and Marketing Expenses</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Oak Bridge Opportunity Fund LP8</issuerName>
                <signatureName>/Christopher Miller/</signatureName>
                <nameOfSigner>Christopher Miller</nameOfSigner>
                <signatureTitle>Managing Member</signatureTitle>
                <signatureDate>2021-05-04</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
