<SUBMISSION>
<ACCESSION-NUMBER>0001209191-03-009189
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20030626
<FILING-DATE>20030630
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>JOYCE KENNETH T
<CIK>0001236266
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-29472
<FILM-NUMBER>03764404
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>3747 STOUGHTON ROAD
<CITY>COLLEGEVILLE
<STATE>PA
<ZIP>19426
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>AMKOR TECHNOLOGY INC
<CIK>0001047127
<ASSIGNED-SIC>3674
<IRS-NUMBER>231722724
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>1345 ENTERPRISE DR
<CITY>WEST CHESTER
<STATE>PA
<ZIP>19380
<PHONE>6104319600
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1345 ENTERPRISE DR
<CITY>WEST CHESTER
<STATE>PA
<ZIP>19380
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0101</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-06-26</periodOfReport><issuer><issuerCik>0001047127</issuerCik><issuerName>AMKOR TECHNOLOGY INC</issuerName>        <issuerTradingSymbol>AMKR</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001236266</rptOwnerCik><rptOwnerName>JOYCE KENNETH T</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>  </rptOwnerStreet1><rptOwnerStreet2>  </rptOwnerStreet2><rptOwnerCity>  </rptOwnerCity><rptOwnerState>  </rptOwnerState><rptOwnerZipCode>  </rptOwnerZipCode></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Chief Financial Officer</officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><derivativeSecurity><securityTitle><value>Options to Purchase Common Stock (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>12.4</value></conversionOrExercisePrice><transactionDate><value>2003-06-26</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>100000</value></transactionShares><transactionValue><value>0</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2004-06-26</value><footnoteId id="F1" /></exerciseDate><expirationDate><value>2013-06-26</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Amkor Technology, Inc. Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>100000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>100000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeSecurity><footnotes><footnote id="F1">The option grant vests as follows: 25% of the option shares are exercisable 12 months after the grant date; 1/48th of the option shares become exercisable each month thereafter.</footnote></footnotes><ownerSignature><signatureName>Kevin J. Heron - By Power of Attorney</signatureName><signatureDate>2003-06-30</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
