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

    <schemaVersion>X0708</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0002103596</cik>
        <entityName>Grafton Resources Inc.</entityName>
        <issuerAddress>
            <street1>C/O SUITE 1400 - 1050 WEST PENDER STREET</street1>
            <city>VANCOUVER</city>
            <stateOrCountry>A1</stateOrCountry>
            <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
            <zipCode>V6E 3S7</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>61 893221689</issuerPhoneNumber>
        <jurisdictionOfInc>BRITISH COLUMBIA, CANADA</jurisdictionOfInc>
        <issuerPreviousNameList>
            <previousName>Prisma Capital Inc.</previousName>
            <previousName>Prisma Exploration Inc.</previousName>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>John</firstName>
                <middleName>Campbell</middleName>
                <lastName>Smyth</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Suite 1400 - 1050 West Pender Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6E 3S7</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Aier</firstName>
                <middleName>Queenie</middleName>
                <lastName>Kuang</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Suite 1400 - 1050 West Pender Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6E 3S7</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Merlin</firstName>
                <lastName>Marr-Johnson</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Suite 1400 - 1050 West Pender Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6E 3S7</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>John</firstName>
                <lastName>Seaman</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Suite 1400 - 1050 West Pender Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6E 3S7</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Gilberto</firstName>
                <lastName>Schubert</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Suite 1400 - 1050 West Pender Street</street1>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6E 3S7</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>No Revenues</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2026-09-15</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isOptionToAcquireType>true</isOptionToAcquireType>
            <isSecurityToBeAcquiredType>true</isSecurityToBeAcquiredType>
            <isOtherType>true</isOtherType>
            <descriptionOfOtherType>Unit, each comprised of one common swhare and one-half common share purchase warrant, with each whole warrant having an exercise price of C$0.90 and a term of 2 years.</descriptionOfOtherType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>409545</totalOfferingAmount>
            <totalAmountSold>215550</totalAmountSold>
            <totalRemaining>193995</totalRemaining>
            <clarificationOfResponse>Dollars have been converted from Canadian dollars using the 0.7185 Bank of Canada daily exchange rate on 9-15-2026. Total Remaining to be Sold is the aggregate exercise price of all warrants sold in the United States.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>3</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>A portion of the net proceeds may be used for general working capital purposes, including for payments to officers and directors in the ordinary course, but proceeds are not earmarked for such payments.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Grafton Resources Inc.</issuerName>
                <signatureName>/s/ Queenie Kuang</signatureName>
                <nameOfSigner>Queenie Kuang</nameOfSigner>
                <signatureTitle>Chief Financial Officer</signatureTitle>
                <signatureDate>2026-09-29</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
