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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 F6zXngUwIbWZOrikrxHQAoOcAqk9xV4L8Wr8zpkHqqYuBFGJlL0E/LpKJEq+9PUd
 YcBWyCl/h4sgK4RXZZiJJg==

<SEC-DOCUMENT>0001179110-10-006098.txt : 20100329
<SEC-HEADER>0001179110-10-006098.hdr.sgml : 20100329
<ACCEPTANCE-DATETIME>20100329152405
ACCESSION NUMBER:		0001179110-10-006098
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100310
FILED AS OF DATE:		20100329
DATE AS OF CHANGE:		20100329

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Landmann Laird
		CENTRAL INDEX KEY:			0001488179

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-04980
		FILM NUMBER:		10710563

	MAIL ADDRESS:	
		STREET 1:		C/O TCW INVESTMENT MANAGEMENT COMPANY
		STREET 2:		865 S. FIGUEROA ST., SUITE 1800
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90017

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TCW STRATEGIC INCOME FUND INC
		CENTRAL INDEX KEY:			0000809559
		IRS NUMBER:				930939398
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		865 S FIGUEROA ST STE 1800
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90071
		BUSINESS PHONE:		2132440000

	MAIL ADDRESS:	
		STREET 1:		865 S. FIGUEROA STREET,
		STREET 2:		SUITE 1800
		CITY:			LOSANGELES
		STATE:			CA
		ZIP:			90017

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TCW CONVERTIBLE SECURITIES FUND INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 3/A -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2010-03-10</periodOfReport>

    <dateOfOriginalSubmission>2010-03-29</dateOfOriginalSubmission>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000809559</issuerCik>
        <issuerName>TCW STRATEGIC INCOME FUND INC</issuerName>
        <issuerTradingSymbol>TSI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001488179</rptOwnerCik>
            <rptOwnerName>Landmann Laird</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TCW STRATEGIC INCOME FUND, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>865 S. FIGUEROA STREET, STE. 1800</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Portfolio Manager</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>Philip K. Holl for Laird Landmann by Power of Attorney dated 3-26-2010</signatureName>
        <signatureDate>2010-03-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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