<SEC-DOCUMENT>0001209191-22-024865.txt : 20220419
<SEC-HEADER>0001209191-22-024865.hdr.sgml : 20220419
<ACCEPTANCE-DATETIME>20220419210839
ACCESSION NUMBER:		0001209191-22-024865
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:			Cadonau Riet
		CENTRAL INDEX KEY:			0001855429

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29174
		FILM NUMBER:		22836155

	MAIL ADDRESS:	
		STREET 1:		C/O LOGITECH INC.
		STREET 2:		7700 GATEWAY BLVD.
		CITY:			NEWARK
		STATE:			CA
		ZIP:			94560

	FORMER NAME:	
		FORMER CONFORMED NAME:	Cadonau Reit
		DATE OF NAME CHANGE:	20210406

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>0001855429</rptOwnerCik>
            <rptOwnerName>Cadonau Riet</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LOGITECH INTERNATIONAL S.A.</rptOwnerStreet1>
            <rptOwnerStreet2>LES CHATAGNIS</rptOwnerStreet2>
            <rptOwnerCity>APPLES</rptOwnerCity>
            <rptOwnerState>V8</rptOwnerState>
            <rptOwnerZipCode>1143</rptOwnerZipCode>
            <rptOwnerStateDescription>SWITZERLAND</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </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>56</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>70.12</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2970</value>
                </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">The reported amount represents the purchase price on the SIX Swiss Exchange of CHF 66.08, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.06108, as in effect on April 15, 2022.</footnote>
    </footnotes>

    <remarks></remarks>

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