<SEC-DOCUMENT>0001628280-20-000777.txt : 20200130
<SEC-HEADER>0001628280-20-000777.hdr.sgml : 20200130
<ACCEPTANCE-DATETIME>20200130161755
ACCESSION NUMBER:		0001628280-20-000777
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200128
FILED AS OF DATE:		20200130
DATE AS OF CHANGE:		20200130

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VIEIRA DONNA F
		CENTRAL INDEX KEY:			0001761238

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13251
		FILM NUMBER:		20561587

	MAIL ADDRESS:	
		STREET 1:		300 CONTINENTAL DRIVE
		CITY:			NEWARK
		STATE:			DE
		ZIP:			19713

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SLM Corp
		CENTRAL INDEX KEY:			0001032033
		STANDARD INDUSTRIAL CLASSIFICATION:	PERSONAL CREDIT INSTITUTIONS [6141]
		IRS NUMBER:				522013874
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		300 CONTINENTAL DRIVE
		CITY:			NEWARK
		STATE:			DE
		ZIP:			19713
		BUSINESS PHONE:		(302) 283-8000

	MAIL ADDRESS:	
		STREET 1:		300 CONTINENTAL DRIVE
		CITY:			NEWARK
		STATE:			DE
		ZIP:			19713

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SLM CORP
		DATE OF NAME CHANGE:	20030326

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SALLIE MAE
		DATE OF NAME CHANGE:	20020517

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	USA EDUCATION INC
		DATE OF NAME CHANGE:	20000801
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_158041905791496.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-01-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001032033</issuerCik>
        <issuerName>SLM Corp</issuerName>
        <issuerTradingSymbol>SLM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001761238</rptOwnerCik>
            <rptOwnerName>VIEIRA DONNA F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 CONTINENTAL DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEWARK</rptOwnerCity>
            <rptOwnerState>DE</rptOwnerState>
            <rptOwnerZipCode>19713</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP &amp; Chief Marketing Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-01-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4613</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.13</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>37346.4752</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On January 28, 2019, the reporting person was granted restricted stock units (&quot;RSUs&quot;) representing rights to receive shares of common stock of SLM Corporation (the &quot;Company&quot;), subject to vesting conditions, to vest in one-third increments on January 28, 2020, 2021 and 2022. On January 28, 2020, 13,986 shares vested in connection with these RSUs, of which 4,613 shares were withheld by the Company to satisfy the reporting person's tax withholding obligations.</footnote>
        <footnote id="F2">Includes Dividend Equivalent units in connection with RSUs granted under the SLM Corporation 2012 Omnibus Incentive Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jeffrey Lipschutz (POA) for Donna F. Vieira</signatureName>
        <signatureDate>2020-01-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
