-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 OLvGOnMrs7/ZFcBS4k7ivlskUY2FryqAE7mFB8tNudFnHMPDSZjgOZXgMiye0EA2
 nv4c45aVRY/sKRACN0wW2Q==

<SEC-DOCUMENT>0001140361-03-003400.txt : 20030917
<SEC-HEADER>0001140361-03-003400.hdr.sgml : 20030917
<ACCEPTANCE-DATETIME>20030917175309
ACCESSION NUMBER:		0001140361-03-003400
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030827
FILED AS OF DATE:		20030917

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JACKSON CLAY T
		CENTRAL INDEX KEY:			0001248764

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31225
		FILM NUMBER:		03900133

	BUSINESS ADDRESS:	
		STREET 1:		COMMERCE CENTER
		STREET 2:		211 COMMERCE ST.
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37201

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PINNACLE FINANCIAL PARTNERS INC
		CENTRAL INDEX KEY:			0001115055
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				62182853
		STATE OF INCORPORATION:			TN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		211 COMMERCE STREET
		STREET 2:		SUITE 300
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37201
		BUSINESS PHONE:		6157443742

	MAIL ADDRESS:	
		STREET 1:		211 COMMERCE STREET
		STREET 2:		SUITE 300
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37201
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2003-08-27</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0001115055</issuerCik>
        <issuerName>PINNACLE FINANCIAL PARTNERS INC</issuerName>
        <issuerTradingSymbol>PNFP</issuerTradingSymbol>
</issuer>
<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001248764</rptOwnerCik>
            <rptOwnerName>JACKSON CLAY T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2>211 COMMERCE STREET - SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>NASHVILLE</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector>
<isOfficer>0</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle></officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable>
<nonDerivativeTransaction>
<securityTitle>
<value>Common Stock</value>
</securityTitle>
<transactionDate>
<value>2003-08-27</value>
</transactionDate>
<deemedExecutionDate>
<value>2003-08-27</value>
</deemedExecutionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>P</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionTimeliness>
<value></value>
</transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value>10000</value>
</transactionShares>
<transactionPricePerShare>
<value>18</value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode>
<value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>78779</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeTransaction>
</nonDerivativeTable>
<derivativeTable>
<derivativeHolding>
<securityTitle>
<value>Common Stock Warrant (Right to Buy)</value>
</securityTitle>
<conversionOrExercisePrice>
<value>10</value>
</conversionOrExercisePrice>
<exerciseDate>
<value>2003-08-18</value>
</exerciseDate>
<expirationDate>
<value>2010-08-18</value>
</expirationDate>
<underlyingSecurity>
<underlyingSecurityTitle>
<value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares>
<value>12500</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>12500</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</derivativeHolding>
</derivativeTable>
<remarks></remarks>
<ownerSignature>
<signatureName>/s/ Clay T. Jackson</signatureName>
<signatureDate>2003-08-27</signatureDate>
</ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----