<SEC-DOCUMENT>0001681622-19-000024.txt : 20190219
<SEC-HEADER>0001681622-19-000024.hdr.sgml : 20190219
<ACCEPTANCE-DATETIME>20190219195642
ACCESSION NUMBER:		0001681622-19-000024
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190214
FILED AS OF DATE:		20190219
DATE AS OF CHANGE:		20190219

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			REINHARDT ERICH R
		CENTRAL INDEX KEY:			0001555958

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37860
		FILM NUMBER:		19616821

	MAIL ADDRESS:	
		STREET 1:		VARIAN MEDICAL SYSTEMS INC
		STREET 2:		3100 HANSEN WAY MAIL STOP E327
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94304

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Varex Imaging Corp
		CENTRAL INDEX KEY:			0001681622
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS, NEC [3679]
		IRS NUMBER:				813434516
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0927

	BUSINESS ADDRESS:	
		STREET 1:		1678 S. PIONEER ROAD
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84104
		BUSINESS PHONE:		801-972-5000

	MAIL ADDRESS:	
		STREET 1:		1678 S. PIONEER ROAD
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84104
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_155062418903262.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-02-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001681622</issuerCik>
        <issuerName>Varex Imaging Corp</issuerName>
        <issuerTradingSymbol>VREX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001555958</rptOwnerCik>
            <rptOwnerName>REINHARDT ERICH R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O VAREX IMAGING CORP</rptOwnerStreet1>
            <rptOwnerStreet2>1678 S. PIONEER ROAD</rptOwnerStreet2>
            <rptOwnerCity>SALT LAKE CITY</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2019-02-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5098</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5098.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5098</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each Deferred Stock Unit converts into common stock on a one-for-one basis.</footnote>
        <footnote id="F2">These Deferred Stock Units vest 100% on the earlier of (i) the one-year anniversary of the date of the grant and (ii) the date of the first annual meeting following the date of grant. Vested shares will be delivered to the reporting person upon the earlier of (i) 3 years from grant date, (ii) a change in control or (iii) the reporting person's termination of service for any reason.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kimberley Honeysett, Attorney-in-Fact</signatureName>
        <signatureDate>2019-02-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
