<SEC-DOCUMENT>0000048287-21-000103.txt : 20210603
<SEC-HEADER>0000048287-21-000103.hdr.sgml : 20210603
<ACCEPTANCE-DATETIME>20210603161255
ACCESSION NUMBER:		0000048287-21-000103
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210601
FILED AS OF DATE:		20210603
DATE AS OF CHANGE:		20210603

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CALADO MIGUEL M
		CENTRAL INDEX KEY:			0001136258
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14225
		FILM NUMBER:		21992625

	MAIL ADDRESS:	
		STREET 1:		3600 AMHERST
		STREET 2:		UNIVERSITY PARK
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75225

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HNI CORP
		CENTRAL INDEX KEY:			0000048287
		STANDARD INDUSTRIAL CLASSIFICATION:	OFFICE FURNITURE (NO WOOD) [2522]
		IRS NUMBER:				420617510
		STATE OF INCORPORATION:			IA
		FISCAL YEAR END:			0101

	BUSINESS ADDRESS:	
		STREET 1:		600 EAST SECOND STREET - PO BOX 1109
		CITY:			MUSCATINE
		STATE:			IA
		ZIP:			52761-7109
		BUSINESS PHONE:		5632727400

	MAIL ADDRESS:	
		STREET 1:		600 EAST SECOND STREET
		STREET 2:		P O BOX 1109
		CITY:			MUSCATINE
		STATE:			IA
		ZIP:			52761

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HON INDUSTRIES INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HOME O NIZE CO
		DATE OF NAME CHANGE:	19681001
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_162275114180165.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-06-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000048287</issuerCik>
        <issuerName>HNI CORP</issuerName>
        <issuerTradingSymbol>HNI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001136258</rptOwnerCik>
            <rptOwnerName>CALADO MIGUEL M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>600 EAST SECOND STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MUSCATINE</rptOwnerCity>
            <rptOwnerState>IA</rptOwnerState>
            <rptOwnerZipCode>52761</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-06-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1527</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>46.50</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>37855.323</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The sale was effected pursuant to a Rule 10b5-1 trading plan, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended, and HNI Corporation's policies regarding stock transactions, including its insider trading policy.</footnote>
        <footnote id="F2">The dollar amount in column 4 is a result of multiple lots for the same price that have been combined. The reporting person undertakes to provide HNI Corporation, any security holder of HNI Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at this price.</footnote>
        <footnote id="F3">The total in column 5 includes reinvested dividends of 17.391 shares acquired under the Corporation's 2017 Equity Plan for Non-Employee Directors since the reporting person's last report, which acquisitions are exempt from Section 16.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Steven M. Bradford, By Power of Attorney</signatureName>
        <signatureDate>2021-06-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
