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

    <schemaVersion>X0304</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2011-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <form3HoldingsReported>1</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0001332551</issuerCik>
        <issuerName>Resource Capital Corp.</issuerName>
        <issuerTradingSymbol>RSO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001312739</rptOwnerCik>
            <rptOwnerName>Beach Walter T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2005 MARKET STREET, 15TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2>ONE COMMERCE SQUARE</rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionCoding>
                <transactionFormType>3</transactionFormType>
            </transactionCoding>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>35553</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionCoding>
                <transactionFormType>3</transactionFormType>
            </transactionCoding>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>346459</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By managed accounts</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">3,020 of these shares remain subject to vesting on March 8, 2012.</footnote>
        <footnote id="F2">The reporting person is a principal of investment firms that earn performance-related fees from certain funds that hold shares of common stock of the issuer.  The reporting person is also a security holder of several of these funds.  The reporting person disclaims beneficial ownership of these shares except to the extent of the reporting person's pecuniary interest in the shares.</footnote>
    </footnotes>

    <remarks>On December 31, 2011, the reporting person reevaluated his relationship to investment firms of which he is a principal, as well as their managed funds that hold securities of the issuer.  The reporting person determined that Section 16 reporting for many of these funds was not necessary under current SEC guidelines.  Accordingly, the reporting person is restating the number of common shares of the issuer in which he has a direct or indirect beneficial interest.</remarks>

    <ownerSignature>
        <signatureName>Walter T. Beach</signatureName>
        <signatureDate>2012-02-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
