<SEC-DOCUMENT>0001127602-21-007193.txt : 20210223
<SEC-HEADER>0001127602-21-007193.hdr.sgml : 20210223
<ACCEPTANCE-DATETIME>20210223081011
ACCESSION NUMBER:		0001127602-21-007193
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210222
FILED AS OF DATE:		20210223
DATE AS OF CHANGE:		20210223

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Munn Matthew
		CENTRAL INDEX KEY:			0001801889

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31983
		FILM NUMBER:		21663168

	MAIL ADDRESS:	
		STREET 1:		28001 CABOT DRIVE
		STREET 2:		SUITE 100
		CITY:			NOVI
		STATE:			MI
		ZIP:			48377

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GARMIN LTD
		CENTRAL INDEX KEY:			0001121788
		STANDARD INDUSTRIAL CLASSIFICATION:	SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL SYS [3812]
		IRS NUMBER:				980229227
		STATE OF INCORPORATION:			V8
		FISCAL YEAR END:			1226

	BUSINESS ADDRESS:	
		STREET 1:		MUHLENTALSTRASSE 2
		CITY:			SCHAFFHAUSEN
		STATE:			V8
		ZIP:			CH-8200
		BUSINESS PHONE:		41 52 630 1600

	MAIL ADDRESS:	
		STREET 1:		MUHLENTALSTRASSE 2
		CITY:			SCHAFFHAUSEN
		STATE:			V8
		ZIP:			CH-8200
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-02-22</periodOfReport>

    <issuer>
        <issuerCik>0001121788</issuerCik>
        <issuerName>GARMIN LTD</issuerName>
        <issuerTradingSymbol>GRMN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001801889</rptOwnerCik>
            <rptOwnerName>Munn Matthew</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>28001 CABOT DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NOVI</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>48377</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>VP, Man. Director - Auto OEM</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Registered Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2021-02-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2214</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>127.7503</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14363</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Constitutes 14,363 unvested shares acquired pursuant to previously granted restricted stock unit awards.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Paul E. Cassat, Attorney-in-Fact</signatureName>
        <signatureDate>2021-02-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
