<SEC-DOCUMENT>0001209191-22-052757.txt : 20221005
<SEC-HEADER>0001209191-22-052757.hdr.sgml : 20221005
<ACCEPTANCE-DATETIME>20221005163526
ACCESSION NUMBER:		0001209191-22-052757
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20221003
FILED AS OF DATE:		20221005
DATE AS OF CHANGE:		20221005

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Madsen Julia
		CENTRAL INDEX KEY:			0001819129

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38848
		FILM NUMBER:		221296096

	MAIL ADDRESS:	
		STREET 1:		5960 HEISLEY ROAD
		CITY:			MENTOR
		STATE:			OH
		ZIP:			44060

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			STERIS plc
		CENTRAL INDEX KEY:			0001757898
		STANDARD INDUSTRIAL CLASSIFICATION:	ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES [3842]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			L2
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		70 SIR JOHN ROGERSON'S QUAY
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			2
		BUSINESS PHONE:		35312322000

	MAIL ADDRESS:	
		STREET 1:		70 SIR JOHN ROGERSON'S QUAY
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			2

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STERIS Ltd
		DATE OF NAME CHANGE:	20181101
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-10-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001757898</issuerCik>
        <issuerName>STERIS plc</issuerName>
        <issuerTradingSymbol>STE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001819129</rptOwnerCik>
            <rptOwnerName>Madsen Julia</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O 70 SIR JOHN ROGERSON'S QUAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DUBLIN</rptOwnerCity>
            <rptOwnerState>L2</rptOwnerState>
            <rptOwnerZipCode>2</rptOwnerZipCode>
            <rptOwnerStateDescription>IRELAND</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior VP, Life Sciences</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2022-10-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>171</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>170.07</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7310</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">171 shares were withheld from the 493 restricted shares that vested on October 3, 2022. These 171 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 493 ordinary shares were awarded to Ms. Madsen on October 1, 2020 and October 1, 2021. These vested shares were valued at the NYSE closing market price on October 3, 2022.</footnote>
        <footnote id="F2">As of October 5, 2022, 3,956 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 92 on May 31, 2023; 123 on June 1, 2023; 352 on June 2, 2023; 360 on June 2, 2023; 349 on October 2, 2023; 144 on October 2, 2023; 352 on June 3, 2024; 123 on June 3, 2024; 360 on June 3, 2024; 349 on October 1, 2024; 144 on October 1, 2024; 352 on June 2, 2025; 360 on June 2, 2025; 144 on October 1, 2025 and 352 on June 2, 2026.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ronald E. Snyder, Authorized Representative under Power of Attorney</signatureName>
        <signatureDate>2022-10-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
