<SEC-DOCUMENT>0001670541-23-000018.txt : 20230111
<SEC-HEADER>0001670541-23-000018.hdr.sgml : 20230111
<ACCEPTANCE-DATETIME>20230111162927
ACCESSION NUMBER:		0001670541-23-000018
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230109
FILED AS OF DATE:		20230111
DATE AS OF CHANGE:		20230111

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DELGROSSO DOUGLAS G
		CENTRAL INDEX KEY:			0001193775

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37757
		FILM NUMBER:		23523902

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Adient plc
		CENTRAL INDEX KEY:			0001670541
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			L2
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		3 DUBLIN LANDINGS
		STREET 2:		NORTH WALL QUAY
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			D01 H104
		BUSINESS PHONE:		1-734-254-5000

	MAIL ADDRESS:	
		STREET 1:		3 DUBLIN LANDINGS
		STREET 2:		NORTH WALL QUAY
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			D01 H104

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Adient Ltd
		DATE OF NAME CHANGE:	20160328
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_167347255184623.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-01-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001670541</issuerCik>
        <issuerName>Adient plc</issuerName>
        <issuerTradingSymbol>ADNT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001193775</rptOwnerCik>
            <rptOwnerName>DELGROSSO DOUGLAS G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>49200 HALYARD DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PLYMOUTH</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>48170</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2023-01-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>50000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>40.33</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>617757</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Shares sold pursuant to a Rule 10b5-1 trading plan.</footnote>
        <footnote id="F2">The price represents the weighted average price of the multiple transactions reported on this line.  The shares were sold at prices ranging from $40.00 to $40.84.  Upon request by the SEC staff, the issuer or any securityholder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Brett L. Eilander, attorney-in-fact for Douglas G. Del Grosso</signatureName>
        <signatureDate>2023-01-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
