<SEC-DOCUMENT>0000832988-23-000070.txt : 20230321
<SEC-HEADER>0000832988-23-000070.hdr.sgml : 20230321
<ACCEPTANCE-DATETIME>20230321070750
ACCESSION NUMBER:		0000832988-23-000070
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230317
FILED AS OF DATE:		20230321
DATE AS OF CHANGE:		20230321

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lovejoy Stephen E.
		CENTRAL INDEX KEY:			0001743050

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32349
		FILM NUMBER:		23747823

	MAIL ADDRESS:	
		STREET 1:		C/O SIGNET JEWELERS LIMITED
		STREET 2:		375 GHENT ROAD
		CITY:			AKRON
		STATE:			OH
		ZIP:			44333

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIGNET JEWELERS LTD
		CENTRAL INDEX KEY:			0000832988
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-JEWELRY STORES [5944]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			0201

	BUSINESS ADDRESS:	
		STREET 1:		CLARENDON HOUSE
		STREET 2:		2 CHURCH STREET
		CITY:			HAMILTON
		STATE:			D0
		ZIP:			HM11
		BUSINESS PHONE:		44-207-317-9700

	MAIL ADDRESS:	
		STREET 1:		C/O 15 GOLDEN SQUARE
		CITY:			LONDON
		STATE:			X0
		ZIP:			W1F9JG

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIGNET GROUP PLC
		DATE OF NAME CHANGE:	19931213

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RATNERS GROUP PLC
		DATE OF NAME CHANGE:	19931213
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_167939685974290.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-03-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000832988</issuerCik>
        <issuerName>SIGNET JEWELERS LTD</issuerName>
        <issuerTradingSymbol>SIG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001743050</rptOwnerCik>
            <rptOwnerName>Lovejoy Stephen E.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CLARENDON HOUSE</rptOwnerStreet1>
            <rptOwnerStreet2>2 CHURCH STREET</rptOwnerStreet2>
            <rptOwnerCity>HAMILTON</rptOwnerCity>
            <rptOwnerState>D0</rptOwnerState>
            <rptOwnerZipCode>HM11</rptOwnerZipCode>
            <rptOwnerStateDescription>BERMUDA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Supply Chain Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares, par value $0.18</value>
            </securityTitle>
            <transactionDate>
                <value>2023-03-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3540</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>83308</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares, par value $0.18</value>
            </securityTitle>
            <transactionDate>
                <value>2023-03-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>433</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>74.70</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>82875</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents restricted stock units that were granted on March 17, 2023 and vest 1/3 annually on each of the first, second and third anniversaries of the grant date. The restricted stock units settle upon vesting for an equivalent number of common shares.</footnote>
        <footnote id="F2">Reflects the number of shares withheld for tax purposes upon vesting of 1/3 of the restricted shares granted on March 18, 2022.</footnote>
        <footnote id="F3">Reflects the average of the high and low sale price of the common shares on the date of vest.</footnote>
        <footnote id="F4">Includes 33,520 restricted stock units which are subject to certain vesting and forfeiture provisions.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>J. Matthew Shady, Attorney in Fact</signatureName>
        <signatureDate>2023-03-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
