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

    <schemaVersion>X0708</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001878848</cik>
        <entityName>IREN Ltd</entityName>
        <issuerAddress>
            <street1>Level 5, 55 Market Street</street1>
            <city>Sydney</city>
            <stateOrCountry>C3</stateOrCountry>
            <stateOrCountryDescription>AUSTRALIA</stateOrCountryDescription>
            <zipCode>2000</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>+61 2 7906 8301</issuerPhoneNumber>
        <jurisdictionOfInc>AUSTRALIA</jurisdictionOfInc>
        <issuerPreviousNameList>
            <previousName>Iris Energy Limited</previousName>
            <previousName>IRIS ENERGY PTY LTD</previousName>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <previousName>Iris Energy Ltd</previousName>
            <previousName>Iris Energy Pty Ltd</previousName>
        </edgarPreviousNameList>
        <entityType>Other</entityType>
        <entityTypeOtherDesc>Public company (Ltd)</entityTypeOtherDesc>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>David</firstName>
                <lastName>Bartholomew</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Level 5, 55 Market Street</street1>
                <city>Sydney</city>
                <stateOrCountry>C3</stateOrCountry>
                <stateOrCountryDescription>AUSTRALIA</stateOrCountryDescription>
                <zipCode>2000</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Michael</firstName>
                <lastName>Alfred</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Level 5, 55 Market Street</street1>
                <city>Sydney</city>
                <stateOrCountry>C3</stateOrCountry>
                <stateOrCountryDescription>AUSTRALIA</stateOrCountryDescription>
                <zipCode>2000</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Christopher</firstName>
                <lastName>Guzowski</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Level 5, 55 Market Street</street1>
                <city>Sydney</city>
                <stateOrCountry>C3</stateOrCountry>
                <stateOrCountryDescription>AUSTRALIA</stateOrCountryDescription>
                <zipCode>2000</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Sunita</firstName>
                <lastName>Parasuraman</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Level 5, 55 Market Street</street1>
                <city>Sydney</city>
                <stateOrCountry>C3</stateOrCountry>
                <stateOrCountryDescription>AUSTRALIA</stateOrCountryDescription>
                <zipCode>2000</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Daniel</firstName>
                <lastName>Roberts</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Level 5, 55 Market Street</street1>
                <city>Sydney</city>
                <stateOrCountry>C3</stateOrCountry>
                <stateOrCountryDescription>AUSTRALIA</stateOrCountryDescription>
                <zipCode>2000</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>William</firstName>
                <lastName>Roberts</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Level 5, 55 Market Street</street1>
                <city>Sydney</city>
                <stateOrCountry>C3</stateOrCountry>
                <stateOrCountryDescription>AUSTRALIA</stateOrCountryDescription>
                <zipCode>2000</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Anthony</firstName>
                <lastName>Lewis</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Level 5, 55 Market Street</street1>
                <city>Sydney</city>
                <stateOrCountry>C3</stateOrCountry>
                <stateOrCountryDescription>AUSTRALIA</stateOrCountryDescription>
                <zipCode>2000</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other Technology</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Over $100,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2026-08-03</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>true</isBusinessCombinationTransaction>
            <clarificationOfResponse>The shares issued in this offering are in connection with IREN Limited's indirect acquisition of Mirantis, Inc.</clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>464866211</totalOfferingAmount>
            <totalAmountSold>464866211</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse>Shares issued as upfront consideration in exchange for recipient's shares of Mirantis, Inc. held prior to the offering.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>183</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>IREN Limited</issuerName>
                <signatureName>William Roberts</signatureName>
                <nameOfSigner>/s/ William Roberts</nameOfSigner>
                <signatureTitle>Director</signatureTitle>
                <signatureDate>2026-08-14</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
