<SEC-DOCUMENT>0001209191-22-052760.txt : 20221005
<SEC-HEADER>0001209191-22-052760.hdr.sgml : 20221005
<ACCEPTANCE-DATETIME>20221005163542
ACCESSION NUMBER:		0001209191-22-052760
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:			Xilas Andrew
		CENTRAL INDEX KEY:			0001863490

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38848
		FILM NUMBER:		221296101

	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>0001863490</rptOwnerCik>
            <rptOwnerName>Xilas Andrew</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>SVP and GM, Dental</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>85</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>170.07</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3703</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">85 shares were withheld from the 289 restricted shares that vested on October 3, 2022. These 85 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 289 ordinary shares were awarded to Mr. Xilas on 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, 2,275 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 352 on June 2, 2023; 289 on October 2, 2023; 352 on June 3, 2024; 289 on October 1, 2024; 352 on June 2, 2025; 289 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>
