<SEC-DOCUMENT>0001179110-18-000224.txt : 20180103
<SEC-HEADER>0001179110-18-000224.hdr.sgml : 20180103
<ACCEPTANCE-DATETIME>20180103134847
ACCESSION NUMBER:		0001179110-18-000224
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20171218
FILED AS OF DATE:		20180103
DATE AS OF CHANGE:		20180103

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GAVIN JOHN A
		CENTRAL INDEX KEY:			0001198616

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-04980
		FILM NUMBER:		18504445

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>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-12-18</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001198616</rptOwnerCik>
            <rptOwnerName>GAVIN JOHN A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TCW STRATEGIC INCOME FUND, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>865 S. FIGUEROA STREET</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2013-05-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>33102</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.7579</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>82102</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>The Gavin Family Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2013-05-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>9898</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.7795</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>92000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>The Gavin Family Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>Patrick Dennis for John A. Gavin by POA dtd 05/20/2013</signatureName>
        <signatureDate>2018-01-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24gavin2.txt
<TEXT>
                                                                  EXECUTION COPY
                              POWER OF ATTORNEY

                        TCW Strategic Income Fund, Inc.

           The  undersigned hereby constitutes and appoints Patrick Dennis, Eric
      Hausner, Harold H. Henderson, Meredith S. Jackson, Sean Plater, Lazarus N.
      Sun,  Vincent Bencivenga, Jon Darrow and Hilary Lord and each of them, his
      or  her  true  and  lawful attorneys-in-fact and agents, each of them with
      full  power  of substitution and resubstitution, for him or her and in his
      or  her  name,  place and stead, in any and all capacities, to sign any or
      all  reports  and  forms  required  under Section 16 of the Securities and
      Exchange  Act of 1934, as amended, including but not limited to all Form 3
      ,  Form 4 and Form 5 filings, and to file the same with the Securities and
      Exchange   Commission   ("Commission"),   granting   unto   each  of  said
      attorneys-in-fact  and  agents  full power and authority to do and perform
      each  and  every  act  and  thing necessary or appropriate to be done with
      respect to such reports and forms or any amendments or supplements thereto
      in  and  about the premises, as fully to all intents and purposes as he or
      she  might or could do in person, hereby ratifying and confirming all that
      any  of  said  attorneys-in-fact  and  agents  or his or her substitute or
      substitutes, may lawfully do or cause to be done by virtue hereof.

           This  Power  of  Attorney  may  be  terminated  at  any  time  by the
      undersigned  by  written  notice  to each of the attorneys-in-fact and the
      Commission;  provided, however, that such termination shall not affect the
      validity  of  any lawful action done or performed by the attorneys-in-fact
      or any of them, pursuant thereto, prior to the actual receipt of notice by
      the attorneys-in-fact.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
      Attorney this 20th day of May, 2013.

                                        By:/s/ John Gavin
                                        ---------------------
                                        Name:



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