<SEC-DOCUMENT>0001209191-22-024866.txt : 20220419
<SEC-HEADER>0001209191-22-024866.hdr.sgml : 20220419
<ACCEPTANCE-DATETIME>20220419210935
ACCESSION NUMBER:		0001209191-22-024866
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220415
FILED AS OF DATE:		20220419
DATE AS OF CHANGE:		20220419

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Darrell Bracken
		CENTRAL INDEX KEY:			0001452606

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29174
		FILM NUMBER:		22836156

	MAIL ADDRESS:	
		STREET 1:		2000 M-63N
		CITY:			BENTON HARBOR
		STATE:			MI
		ZIP:			49022

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LOGITECH INTERNATIONAL S.A.
		CENTRAL INDEX KEY:			0001032975
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER PERIPHERAL EQUIPMENT, NEC [3577]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		7700 GATEWAY BOULEVARD
		STREET 2:		C/O LOGITECH INC
		CITY:			NEWARK
		STATE:			CA
		ZIP:			94560
		BUSINESS PHONE:		5107958500

	MAIL ADDRESS:	
		STREET 1:		7700 GATEWAY BOULEVARD
		CITY:			NEWARK
		STATE:			CA
		ZIP:			94560

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LOGITECH INTERNATIONAL SA
		DATE OF NAME CHANGE:	19970214
</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>2022-04-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001032975</issuerCik>
        <issuerName>LOGITECH INTERNATIONAL S.A.</issuerName>
        <issuerTradingSymbol>LOGI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001452606</rptOwnerCik>
            <rptOwnerName>Darrell Bracken</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LOGITECH INC.</rptOwnerStreet1>
            <rptOwnerStreet2>7700 GATEWAY BLVD.</rptOwnerStreet2>
            <rptOwnerCity>NEWARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94560</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Registered Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2022-04-15</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>12712</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>69.31</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>820002</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported restricted stock units.</footnote>
        <footnote id="F2">Includes 231 shares acquired under the Issuer's Employee Share Purchase Plan on January 31, 2022.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jon Shanberge as attorney in fact for Bracken Darrell</signatureName>
        <signatureDate>2022-04-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
