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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,
 O+PV18RH37t/2ljUsdc0WccKJ7WKGerSFfH1u7WtYcaY6uJ8IAOqvFBc45iOuXx8
 ceUXZNa+Tg+uIzB4g7VbsA==

<SEC-DOCUMENT>0001209191-03-034117.txt : 20031209
<SEC-HEADER>0001209191-03-034117.hdr.sgml : 20031209
<ACCEPTANCE-DATETIME>20031209152857
ACCESSION NUMBER:		0001209191-03-034117
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031205
FILED AS OF DATE:		20031209

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INPUT OUTPUT INC
		CENTRAL INDEX KEY:			0000866609
		STANDARD INDUSTRIAL CLASSIFICATION:	MEASURING & CONTROLLING DEVICES, NEC [3829]
		IRS NUMBER:				222286646
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0531

	BUSINESS ADDRESS:	
		STREET 1:		11104 W AIRPORT BLVD
		STREET 2:		SUITE 200
		CITY:			STAFFORD
		STATE:			TX
		ZIP:			77477
		BUSINESS PHONE:		2819333339

	MAIL ADDRESS:	
		STREET 1:		11104 W AIRPORT BLVD
		STREET 2:		SUITE 200
		CITY:			STAFFORD
		STATE:			TX
		ZIP:			77477

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LAPEYRE JAMES M JR
		CENTRAL INDEX KEY:			0001072813
		STATE OF INCORPORATION:			LA
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12691
		FILM NUMBER:		031044861

	BUSINESS ADDRESS:	
		STREET 1:		C/O LAITRAM CORP
		STREET 2:		220 LAITRAM LANE
		CITY:			HARAHAN
		STATE:			LA
		ZIP:			70123
		BUSINESS PHONE:		5047336000

	MAIL ADDRESS:	
		STREET 1:		C/O LAITRAM CORP
		STREET 2:		220 LAITRAM LANE
		CITY:			HARAHAN
		STATE:			LA
		ZIP:			70123
</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>2003-12-05</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000866609</issuerCik><issuerName>INPUT OUTPUT INC</issuerName>        <issuerTradingSymbol>IO</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001072813</rptOwnerCik><rptOwnerName>LAPEYRE JAMES M JR</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>12300 PARC CREST DRIVE</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>STAFFORD</rptOwnerCity><rptOwnerState>TX</rptOwnerState><rptOwnerZipCode>77008</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><security
Title><value>Common Stock</value></securityTitle><transactionDate><value>2003-12-05</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>P</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>2150000.0000</value></transactionShares><transactionPricePerShare><value>3.4800</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>6941044.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Shares held by Laitram, LLC</value><footnoteId id="F1" /></natureOfOwnership></ownershipNature></nonDerivativeTransaction><nonD
erivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>788216.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>30000.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By spouse</value></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>12780.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership
><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By minor child</value></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>10000.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>As custodian for minor child</value></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>10500.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>As co-trustee for children</value></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDer
ivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>22780.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By child</value></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>22780.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By child</value></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><footnotes><footnote id="F1">The reporting person has elected pursuant to Instruction 4(b)(iv) to Form 4, to report the entire amount of the interest of Laitram, L.L.C. and disclaims be
neficial ownership of such shares except to the extent of his proportionate pecuniary interest therein.</footnote></footnotes><remarks>The Reporting Person disclaims beneficial ownership of all securities shown as indirectly owned by him.</remarks><ownerSignature><signatureName>/s/ Brad Eastman, Attorney-in-fact</signatureName><signatureDate>2003-12-08</signatureDate></ownerSignature></ownershipDocument>

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