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

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-10-31</periodOfReport>

    <notSubjectToSection16>true</notSubjectToSection16>

    <issuer>
        <issuerCik>0001853962</issuerCik>
        <issuerName>i-80 Gold Corp.</issuerName>
        <issuerTradingSymbol>IAUX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002049090</rptOwnerCik>
            <rptOwnerName>Bellissimo Ewa</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O I-80 GOLD CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>5190 NEIL ROAD, SUITE 460</rptOwnerStreet2>
            <rptOwnerCity>RENO</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89820</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <ownerSignature>
        <signatureName>/s/ Eva Bellissimo</signatureName>
        <signatureDate>2025-10-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
