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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2014-12-10</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001319009</issuerCik>
        <issuerName>Midway Gold Corp</issuerName>
        <issuerTradingSymbol>MDW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001341721</rptOwnerCik>
            <rptOwnerName>Zisch William M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MIDWAY GOLD CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>8310 SOUTH VALLEY HIGHWAY, SUITE 280</rptOwnerStreet2>
            <rptOwnerCity>ENGLEWOOD</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80112</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President &amp; CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks>The Reporting Person was appointed as President and Chief Executive Officer of the Issuer effective December 10, 2014.</remarks>

    <ownerSignature>
        <signatureName>/s/ William Zisch</signatureName>
        <signatureDate>2014-12-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
