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

    <schemaVersion>X0708</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0002070217</cik>
        <entityName>Lyme Forest Fund VI LP</entityName>
        <issuerAddress>
            <street1>23 SOUTH MAIN STREET</street1>
            <street2>SUITE 3A</street2>
            <city>HANOVER</city>
            <stateOrCountry>NH</stateOrCountry>
            <stateOrCountryDescription>NEW HAMPSHIRE</stateOrCountryDescription>
            <zipCode>03755</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>603-643-3300</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2023</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>-</firstName>
                <lastName>LFF VI GP LLC</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>23 SOUTH MAIN STREET</street1>
                <street2>SUITE 3A</street2>
                <city>HANOVER</city>
                <stateOrCountry>NH</stateOrCountry>
                <stateOrCountryDescription>NEW HAMPSHIRE</stateOrCountryDescription>
                <zipCode>03755</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>General Partner of Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>David</firstName>
                <lastName>Hoffer</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>23 SOUTH MAIN STREET</street1>
                <street2>SUITE 3A</street2>
                <city>HANOVER</city>
                <stateOrCountry>NH</stateOrCountry>
                <stateOrCountryDescription>NEW HAMPSHIRE</stateOrCountryDescription>
                <zipCode>03755</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Managing Member of Manager of General Partner of Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>-</firstName>
                <lastName>LTC Management LLC</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>23 SOUTH MAIN STREET</street1>
                <street2>SUITE 3A</street2>
                <city>HANOVER</city>
                <stateOrCountry>NH</stateOrCountry>
                <stateOrCountryDescription>NEW HAMPSHIRE</stateOrCountryDescription>
                <zipCode>03755</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Manager of General Partner of Issuer</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other Real Estate</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06c</item>
            <item>3C</item>
            <item>3C.6</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0002070217-25-000006</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2025-07-02</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>440638640</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>126</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
                <isEstimate>true</isEstimate>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
                <isEstimate>true</isEstimate>
            </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 an Investment Management Fee and certain fees in accordance with the Issuer's governing documentation, as amended from time to time.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Lyme Forest Fund VI LP</issuerName>
                <signatureName>/s/ David Hoffer</signatureName>
                <nameOfSigner>David Hoffer</nameOfSigner>
                <signatureTitle>Managing Member of Manager of General Partner of Issuer</signatureTitle>
                <signatureDate>2026-06-11</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
