-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 NS3xl/To5fORU+SiAOzeaaOX0ydnRVFVOXhwYt0GVWmMHAGDo4KCtpxVh9qjiBn8
 aIG0gOBltznQMcku4lkDVA==

<SEC-DOCUMENT>0001225208-10-022994.txt : 20101014
<SEC-HEADER>0001225208-10-022994.hdr.sgml : 20101014
<ACCEPTANCE-DATETIME>20101014132906
ACCESSION NUMBER:		0001225208-10-022994
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101012
FILED AS OF DATE:		20101014
DATE AS OF CHANGE:		20101014

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DAVIDSON CAROL ANTHONY
		CENTRAL INDEX KEY:			0001277489

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13836
		FILM NUMBER:		101123444

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TYCO INTERNATIONAL LTD
		CENTRAL INDEX KEY:			0000833444
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MISCELLANEOUS BUSINESS SERVICES [7380]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			V8
		FISCAL YEAR END:			0925

	BUSINESS ADDRESS:	
		STREET 1:		FREIER PLATZ 10
		CITY:			SCHAFFHAUSEN
		STATE:			V8
		ZIP:			CH-8200
		BUSINESS PHONE:		609-720-4200

	MAIL ADDRESS:	
		STREET 1:		C/O TYCO INTERNATIONAL MANAGEMENT CO
		STREET 2:		9 ROSZEL ROAD
		CITY:			PRINCETON
		STATE:			NJ
		ZIP:			08540

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TYCO INTERNATIONAL LTD /BER/
		DATE OF NAME CHANGE:	19970715

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADT LIMITED
		DATE OF NAME CHANGE:	19930601
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-10-12</periodOfReport>

    <issuer>
        <issuerCik>0000833444</issuerCik>
        <issuerName>TYCO INTERNATIONAL LTD</issuerName>
        <issuerTradingSymbol>TYC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001277489</rptOwnerCik>
            <rptOwnerName>DAVIDSON CAROL ANTHONY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9 ROSZEL ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PRINCETON</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08540</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>SVP and Controller</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2010-10-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5300.0000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0000</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>27458.0000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Performance Share Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-10-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10700.0000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0000</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10700.0000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>49300.0000</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>37.2900</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-10-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>39700.0000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0000</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <value>2020-10-11</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>39700.0000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>39700.0000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Reflects grant of Restricted Stock Units that, subject to acceleration upon certain events, vest in four equal installments on each of the first, second, third and fourth anniversary of the grant date.  Restricted Stock Units accrue dividend equivalent units.</footnote>
        <footnote id="F2">Upon vesting, the reporting person will receive a distribution of common shares based on the performance target.  Amount presented represents target number of shares that may be distributed. The maximum number that may be distributed is equal to two times target amount.</footnote>
        <footnote id="F3">These performance share units vest, to the extent the performance targets are obtained, on 9/27/2013.</footnote>
        <footnote id="F4">Includes 38,600 performance share units previously reported voluntarily with different vesting terms.</footnote>
        <footnote id="F5">Subject to acceleration upon certain events, options become exercisable in four equal installments on each of the first, second,  third and fourth anniversary of the grant date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>John S. Jenkins, attorney-in-fact</signatureName>
        <signatureDate>2010-10-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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