<SEC-DOCUMENT>0001209191-18-049943.txt : 20180906
<SEC-HEADER>0001209191-18-049943.hdr.sgml : 20180906
<ACCEPTANCE-DATETIME>20180906181553
ACCESSION NUMBER:		0001209191-18-049943
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20180905
FILED AS OF DATE:		20180906
DATE AS OF CHANGE:		20180906

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LAO MARJARIE
		CENTRAL INDEX KEY:			0001750258

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29174
		FILM NUMBER:		181058524

	MAIL ADDRESS:	
		STREET 1:		C/O LOGITECH INTERNATIONAL S.A.
		STREET 2:		LES CHATAGNIS
		CITY:			APPLES
		STATE:			V8
		ZIP:			1143

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LOGITECH INTERNATIONAL SA
		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
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2018-09-05</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001032975</issuerCik>
        <issuerName>LOGITECH INTERNATIONAL SA</issuerName>
        <issuerTradingSymbol>LOGI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001750258</rptOwnerCik>
            <rptOwnerName>LAO MARJARIE</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>

    <footnotes></footnotes>

    <remarks>No securities beneficially owned.</remarks>

    <ownerSignature>
        <signatureName>/s/ Jon Shanberge as Attorney-in-Fact for Marjorie Lao</signatureName>
        <signatureDate>2018-09-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.3_808550
<SEQUENCE>2
<FILENAME>poa.txt
<DESCRIPTION>POA DOCUMENT
<TEXT>
LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS


	POWER OF ATTORNEY
The undersigned, as a Section 16 reporting person of Logitech International S.A.
(the "Company") under the Securities Exchange Act of 1934, as amended (the
"Exchange Act"), hereby constitutes and appoints Vincent Pilette, Chief
Financial Officer; Bryan Ko, General Counsel; Jon Shanberge, Associate General
Counsel; Abhishek Maheshwari, Vice President; and Rupesh Maheshwari, Assistant
Corporate Controller; and each of them, as the undersigned's true and lawful
attorney-in-fact for the following actions:

* to complete and execute Forms 3, 4 and 5 and other forms and all amendments
thereto as such attorney-in-fact shall in his or her discretion determine to be
required or advisable pursuant to Section 16 of the Exchange Act and the rules
and regulations promulgated thereunder, or any successor laws and regulations,
as a consequence of the undersigned's ownership, acquisition or disposition of
securities of the Company; and
* to do all acts necessary in order to file such forms with the Securities and
Exchange Commission, any securities exchange or national association, the
Company and such other person or agency as the attorney-in-fact shall deem
necessary or appropriate.

The undersigned hereby ratifies and confirms all that said attorneys in-fact and
agents shall do or cause to be done by virtue hereof.  The undersigned
acknowledges that the foregoing attorneys-in-fact, in serving in such capacity
at the request of the undersigned, are not assuming, nor is the Company
assuming, any of the undersigned's responsibilities to comply with Section 16 of
the Exchange Act.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 5th day of September, 2018.


Signature:   /s/ Marjoire Lao

Print Name:  Marjorie Lao

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
