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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 AD6Vs/ZxmPLylldi2jsqX46TjA5NIwAfdhX7UfHHl/cpfhwe8WhfThut/01xxCxi
 mN5blQ4rxaK3nQ56QKzqUQ==

<SEC-DOCUMENT>0001369466-09-000001.txt : 20090318
<SEC-HEADER>0001369466-09-000001.hdr.sgml : 20090318
<ACCEPTANCE-DATETIME>20090318151034
ACCESSION NUMBER:		0001369466-09-000001
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080429
FILED AS OF DATE:		20090318
DATE AS OF CHANGE:		20090318

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Silver Richard
		CENTRAL INDEX KEY:			0001369466

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-04058
		FILM NUMBER:		09690836

	MAIL ADDRESS:	
		STREET 1:		C/O ANJIE LAROCCA, DEUTSCHE ASSET MGMT.
		STREET 2:		345 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10154

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KOREA FUND INC
		CENTRAL INDEX KEY:			0000748691
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				133226146
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		ALLIANZ GLOBAL INVESTORS
		STREET 2:		1345 AVENUE OF THE AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10105
		BUSINESS PHONE:		212-739-3226

	MAIL ADDRESS:	
		STREET 1:		ALLIANZ GLOBAL INVESTORS
		STREET 2:		1345 AVENUE OF THE AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10105
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2008-04-29</periodOfReport>

    <dateOfOriginalSubmission>2008-04-29</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000748691</issuerCik>
        <issuerName>KOREA FUND INC</issuerName>
        <issuerTradingSymbol>KF</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001369466</rptOwnerCik>
            <rptOwnerName>Silver Richard</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1345 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10105</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2008-04-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2528</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>23.98</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 172 shares received as a stock dividend and distributed to the reporting person by the Issuer on November 28, 2007. This amended Form 4 is being filed solely for the purpose of correcting the aggregate securities beneficially owned following the reported transaction in Table I, Column 5.  The total amount of securities beneficially owned following the reported transaction was incorrectly stated in the reporting person's original Form 4.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Thomas J. Fuccillo, Attorney-in-Fact for Richard Silver</signatureName>
        <signatureDate>2009-03-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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