-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000035527-07-000075.txt : 20070626
<SEC-HEADER>0000035527-07-000075.hdr.sgml : 20070626
<ACCEPTANCE-DATETIME>20070626094800
ACCESSION NUMBER:		0000035527-07-000075
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20070619
FILED AS OF DATE:		20070626
DATE AS OF CHANGE:		20070626

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIFTH THIRD BANCORP
		CENTRAL INDEX KEY:			0000035527
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				310854434
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		38 FOUNTAIN SQ PLZ
		STREET 2:		FIFTH THIRD CENTER
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45263
		BUSINESS PHONE:		5135795300

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Tuuk Mary E
		CENTRAL INDEX KEY:			0001403967

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-08076
		FILM NUMBER:		07940189

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		513-534-5300

	MAIL ADDRESS:	
		STREET 1:		38 FOUNTAIN SQUARE PLAZA
		STREET 2:		MD 10 AT 76
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45263
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2007-06-19</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000035527</issuerCik>
        <issuerName>FIFTH THIRD BANCORP</issuerName>
        <issuerTradingSymbol>FITB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001403967</rptOwnerCik>
            <rptOwnerName>Tuuk Mary E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>38 FOUNTAIN SQUARE PLAZA</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CINCINNATI</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>45263</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP &amp; Chief Risk Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4082</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1919.6897</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by 401(K)</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Option to Purchase</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>50.8125</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2001-04-05</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2011-04-05</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Option to Purchase</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>68.01</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2002-04-22</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2012-04-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Option to Purchase</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>51.46</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2003-03-28</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2013-03-28</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Appreciation Right</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>54.40</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2008-04-19</value>
            </exerciseDate>
            <expirationDate>
                <value>2014-04-19</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Appreciation Right</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>42.90</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-04-08</value>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-04-08</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7875</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Appreciation Right</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>39.36</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2006-04-07</value>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2016-04-07</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>11475</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Appreciation Right</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>38.27</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2007-04-09</value>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2017-04-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>9000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Phantom Stock</value>
                <footnoteId id="F5"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F6"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F6"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>80.7442</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Restricted stock granted pursuant to Fifth Third Bancorp Incentive Compensation Plan subject to vesting as follows: 551 shares on 4/19/2008, 795 shares on 4/8/2009, 324 shares on 4/7/2009, 324 shares on 4/7/2010, 324 shares on 4/7/2011, 588 shares on 4/9/2010, 588 shares on 4/9/2011 and 588 shares on 4/9/2012.</footnote>
        <footnote id="F2">Indicates grant date. Options are exercisable as follows: 25% 6 months from grant date; 50% one year from grant; 75% two years from grant; and 100% three years from grant.</footnote>
        <footnote id="F3">Indicates grant date. Options are exercisable as follows: 25% one year from grant; 50% two years from grant; 75% three years from grant; and 100% four years from grant.</footnote>
        <footnote id="F4">Indicates grant date. SARs are exercisable as follows: 25% one year from grant; 50% two years from grant; 75% three years from grant; and 100% four years from grant.</footnote>
        <footnote id="F5">Acquired pursuant to The Fifth Third Bancorp Non Qualified Deferred Compensation Plan.</footnote>
        <footnote id="F6">The units are to be settled in Fifth Third Bancorp common stock on a 1-for-1 basis after termination of employment.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Paul L. Reynolds, as Attorney-in-Fact for Mary E. Tuuk</signatureName>
        <signatureDate>2007-06-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>tuuk-poa1.htm
<DESCRIPTION>POA
<TEXT>
<HTML><BODY><PRE>POWER OF ATTORNEY





Know all by these presents, that the undersigned hereby constitutes and appoints

Paul L. Reynolds, the undersigned's true and lawful attorney-in-fact to:



(1) execute for and on behalf of the undersigned, in the undersigned's capacity

as a director or officer of Fifth Third Bancorp (the "Company"), Forms ID, 3, 4, and

5 or any Form designated by the Securities and Exchange Commission for reporting

equity ownership in the Company's stock in accordance with Section 16(a) of the

Securities Exchange Act of 1934 and the rules thereunder;



(2) do and perform any and all acts for and on behalf of the undersigned which

may be necessary or desirable to complete and execute any such Form and timely

file such form with the United States Securities and Exchange Commission and any

stock exchange or similar authority; and



(3) take any other action of any type whatsoever in connection with the

foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,

in the best interest of, or legally required by, the undersigned, it being

understood that the documents executed by such attorney-in-fact on behalf of the

undersigned pursuant to this Power of Attorney shall be in such form and shall

contain such terms and conditions as such attorney-in-fact may approve in such

attorney-in-fact's discretion.



The undersigned hereby grants to such attorney-in-fact full power and authority

to do and perform any and every act and thing whatsoever requisite, necessary,

or proper to be done in the exercise of any of the rights and powers herein

granted, as fully to all intents and purposes as the undersigned might or could

do if personally present, with full power of substitution or revocation, hereby

ratifying and confirming all that such attorney-in-fact, or such attorney-in-

fact's substitute or substitutes, shall lawfully do or cause to be done by

virtue of this power of attorney and the rights and powers herein granted.  The

undersigned acknowledges that the foregoing attorney-in-fact, in serving in such

capacity at the request of the undersigned, is not assuming, nor is the Company

assuming, any of the undersigned's responsibilities to comply with Section 16 of

the Securities Exchange Act of 1934.



This Power of Attorney shall remain in full force and effect until the

undersigned is no longer required to file Forms with respect to the

undersigned's holdings of and transactions in securities issued by the Company,

unless earlier revoked by the undersigned in a signed writing delivered to the

foregoing attorney-in-fact.



IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be

executed as of this 19th day of June, 2007.





       /s/ Mary E. Tuuk



</PRE></BODY></HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
