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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,
 GeFdeZldnVnwlaMnFnYkg+L5VO5LSLzlSTJcV1oBcuEZ52GmSCZDRf+AcZstbCvy
 bB0AHKhHnfDutUEumhX8lw==

<SEC-DOCUMENT>0001209191-03-027691.txt : 20031030
<SEC-HEADER>0001209191-03-027691.hdr.sgml : 20031030
<ACCEPTANCE-DATETIME>20031030145757
ACCESSION NUMBER:		0001209191-03-027691
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031030
FILED AS OF DATE:		20031030

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MORPHY JOHN M
		CENTRAL INDEX KEY:			0001229144

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-11330
		FILM NUMBER:		03966424

	MAIL ADDRESS:	
		STREET 1:		911 PANORAMA TRAIL SOUTH
		CITY:			ROCHESTER
		STATE:			NY
		ZIP:			14625

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PAYCHEX INC
		CENTRAL INDEX KEY:			0000723531
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ENGINEERING, ACCOUNTING, RESEARCH, MANAGEMENT [8700]
		IRS NUMBER:				161124166
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0531

	BUSINESS ADDRESS:	
		STREET 1:		911 PANORAMA TRAIL S
		CITY:			ROCHESTER
		STATE:			NY
		ZIP:			14625-0397
		BUSINESS PHONE:		7163856666

	MAIL ADDRESS:	
		STREET 1:		911 PANORAMA TRAIL SOUTH
		CITY:			ROCHESTER
		STATE:			NY
		ZIP:			14625-0397
</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>2003-10-30</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000723531</issuerCik><issuerName>PAYCHEX INC</issuerName>        <issuerTradingSymbol>PAYX</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001229144</rptOwnerCik><rptOwnerName>MORPHY JOHN M</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>911 PANORAMA TRAIL S</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>ROCHESTER</rptOwnerCity><rptOwnerState>NY</rptOwnerState><rptOwnerZipCode>14625</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>CFO</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivati
veTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-10-30</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>13500</value></transactionShares><transactionPricePerShare><value>19</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value
>2003-10-30</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>15000</value></transactionShares><transactionPricePerShare><value>21.4583</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-10-30</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transacti
onCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>28500</value></transactionShares><transactionPricePerShare><value>38.15</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2305</value><footnoteId id="F1" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes><footnote id="F1">Excludes direct ownership of 2,695 shares in an IRA</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>John M. Morphy</signatureName><signatureDate>2003-10-30</signatureDate></ownerSignature></
ownershipDocument>

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