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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,
 UzdH3ihKCS0e4JNau0bV1Z2my15POs3fdusddUg3V+Ij3uDtmdrj4o3R8QhRCd+F
 e3WsJ4pYDEaaBilJgHnl6w==

<SEC-DOCUMENT>0001209191-04-002826.txt : 20040114
<SEC-HEADER>0001209191-04-002826.hdr.sgml : 20040114
<ACCEPTANCE-DATETIME>20040114122032
ACCESSION NUMBER:		0001209191-04-002826
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031215
FILED AS OF DATE:		20040114

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MELLO ROBERT A
		CENTRAL INDEX KEY:			0001248108

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11181
		FILM NUMBER:		04524351

	BUSINESS ADDRESS:	
		STREET 1:		85 MORSE ST
		CITY:			NORWOOD
		STATE:			MA
		ZIP:			02062

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IRIS INTERNATIONAL INC
		CENTRAL INDEX KEY:			0000319240
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				942579751
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		9162 ETON AVE
		CITY:			CHATSWORTH
		STATE:			CA
		ZIP:			91311
		BUSINESS PHONE:		8187091244

	MAIL ADDRESS:	
		STREET 1:		9162 ETON AVENUE
		CITY:			CHATSWORTH
		STATE:			CA
		ZIP:			91311

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERNATIONAL REMOTE IMAGING SYSTEMS INC /DE/
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-12-15</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000319240</issuerCik><issuerName>IRIS INTERNATIONAL INC</issuerName>        <issuerTradingSymbol>IRI</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001248108</rptOwnerCik><rptOwnerName>MELLO ROBERT A</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>85 MORSE STREET</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>NORWOOD</rptOwnerCity><rptOwnerState>MA</rptOwnerState><rptOwnerZipCode>02062</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>VICE PRESIDENT</officerTitle></reportingOwnerRelationship></reportingOwner><derivativeTable>
<derivativeTransaction><securityTitle><value>RIGHT TO BUY</value></securityTitle><conversionOrExercisePrice><value>5.7100</value></conversionOrExercisePrice><transactionDate><value>2003-12-15</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>10000.0000</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-12-15</value></exerciseDate><expirationDate><value>2008-12-15</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>COMMON STOCK</value></underlyingSecurityTitle><underlyingSecurityShares><value>10000.0000</value></underlyingSecuritySh
ares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>111000.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>RIGHT TO BUY</value></securityTitle><conversionOrExercisePrice><value>5.7100</value></conversionOrExercisePrice><transactionDate><value>2003-12-15</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>30000.0000</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></tran
sactionAmounts><exerciseDate><value>2004-12-15</value><footnoteId id="F1" /></exerciseDate><expirationDate><value>2008-12-15</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>STOCK</value></underlyingSecurityTitle><underlyingSecurityShares><value>30000.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>141000.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">1/4 exercisable 12/15/04, 1/4 exercisable 12/15/05, 1/4 exercisable 12/15/06, 1/4 exercisable 12/15/07</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>Donald E. Horacek as attorney-in-fact for Robert A. Mello</signatureName><signatureDate>2004-01-14</signatureDate></ownerSignature></ownershipDocument>

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