<SEC-DOCUMENT>0000930420-23-000009.txt : 20230104
<SEC-HEADER>0000930420-23-000009.hdr.sgml : 20230104
<ACCEPTANCE-DATETIME>20230104162923
ACCESSION NUMBER:		0000930420-23-000009
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20221231
FILED AS OF DATE:		20230104
DATE AS OF CHANGE:		20230104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hackman Jeffrey B.
		CENTRAL INDEX KEY:			0001457561

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26058
		FILM NUMBER:		23506892

	MAIL ADDRESS:	
		STREET 1:		1001 EAST PALM AVENUE
		CITY:			TAMPA
		STATE:			FL
		ZIP:			33605

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KFORCE INC
		CENTRAL INDEX KEY:			0000930420
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HELP SUPPLY SERVICES [7363]
		IRS NUMBER:				593264661
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1150 ASSEMBLY DRIVE
		STREET 2:		SUITE 500
		CITY:			TAMPA
		STATE:			FL
		ZIP:			33607
		BUSINESS PHONE:		8135525000

	MAIL ADDRESS:	
		STREET 1:		8405 BENJAMIN ROAD
		STREET 2:		SUITE G
		CITY:			TAMPA
		STATE:			FL
		ZIP:			33634

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KFORCE  INC
		DATE OF NAME CHANGE:	20000517

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ROMAC INTERNATIONAL INC
		DATE OF NAME CHANGE:	19950502
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_167286773562440.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000930420</issuerCik>
        <issuerName>KFORCE INC</issuerName>
        <issuerTradingSymbol>KFRC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001457561</rptOwnerCik>
            <rptOwnerName>Hackman Jeffrey B.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1150 ASSEMBLY DRIVE, SUITE 500</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>TAMPA</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33607</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP Finance &amp; Accounting</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-12-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8435</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>65016</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents 8,435 shares of restricted stock that will vest at a rate of 25% annually beginning on December 27, 2023.</footnote>
        <footnote id="F2">Includes 30,475 shares of restricted stock.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Susan A. Gager, Attorney-in-Fact for Jeffrey B. Hackman</signatureName>
        <signatureDate>2023-01-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
