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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 J7iTDBQ0aGlPnkjqWPLCNXEwz+41NvLUnaFSL5vIndTZ0EMwNbDP07zvqOlUokmn
 mpeMzI33tFWkSa8Lg+SKhg==

<SEC-DOCUMENT>0001179110-09-016036.txt : 20091130
<SEC-HEADER>0001179110-09-016036.hdr.sgml : 20091130
<ACCEPTANCE-DATETIME>20091130205228
ACCESSION NUMBER:		0001179110-09-016036
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091125
FILED AS OF DATE:		20091130
DATE AS OF CHANGE:		20091130

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Warner Chilcott plc
		CENTRAL INDEX KEY:			0001323854
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				980496358
		STATE OF INCORPORATION:			L2
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		UNIT 19 ARDEE BUSINESS PARK
		STREET 2:		HALE STREET
		CITY:			ARDEE, CO. LOUTH, IRELAND
		STATE:			L2
		ZIP:			00000
		BUSINESS PHONE:		353 41 685 6983

	MAIL ADDRESS:	
		STREET 1:		UNIT 19 ARDEE BUSINESS PARK
		STREET 2:		HALE STREET
		CITY:			ARDEE, CO. LOUTH, IRELAND
		STATE:			L2
		ZIP:			00000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Warner Chilcott Ltd
		DATE OF NAME CHANGE:	20060914

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Warner Chilcott Holdings Co Ltd
		DATE OF NAME CHANGE:	20050414

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			THL ADVISORS ALTERNATIVE V LP
		CENTRAL INDEX KEY:			0001249687
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-53772
		FILM NUMBER:		091213395

	BUSINESS ADDRESS:	
		STREET 1:		C/O THOMAS H. LEE PARTNERS, L.P.
		STREET 2:		100 FEDERAL STREET, 35TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		6172271050

	MAIL ADDRESS:	
		STREET 1:		C/O THOMAS H. LEE PARTNERS, L.P.
		STREET 2:		100 FEDERAL STREET, 35TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-11-25</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001323854</issuerCik>
        <issuerName>Warner Chilcott plc</issuerName>
        <issuerTradingSymbol>WCRX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001249687</rptOwnerCik>
            <rptOwnerName>THL ADVISORS ALTERNATIVE V LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WALKERS, WALKER HOUSE</rptOwnerStreet1>
            <rptOwnerStreet2>87 MARY STREET</rptOwnerStreet2>
            <rptOwnerCity>GEORGE TOWN, GRAND CAYMAN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode>KY1-9001</rptOwnerZipCode>
            <rptOwnerStateDescription>CAYMAN ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2009-11-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4142743</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.25</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>33151823</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote 1</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares of the Issuer held directly by Thomas H. Lee (Alternative) Fund V, L.P. (&quot;Alternative Fund&quot;), Thomas H. Lee (Alternative) Parallel Fund V, L.P. (&quot;Alternative Parallel Fund&quot;), Thomas H. Lee (Alternative) Cayman Fund V, L.P. (&quot;Alternative Cayman Fund&quot; and together with Alternative Fund and Alternative Parallel Fund, the &quot;Alternative Funds&quot;).  The Reporting Person is the general partner of each of the Alternative Funds.  Therefore, the Reporting Person may be deemed to beneficially own the shares of the Issuer held directly by each of the Alternative Funds.  The Reporting Person disclaims beneficial ownership of such shares, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose, except to the extent of its pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Todd Abbrecht</signatureName>
        <signatureDate>2009-11-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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