<SEC-DOCUMENT>0001209191-15-081264.txt : 20151119
<SEC-HEADER>0001209191-15-081264.hdr.sgml : 20151119
<ACCEPTANCE-DATETIME>20151119154957
ACCESSION NUMBER:		0001209191-15-081264
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20151117
FILED AS OF DATE:		20151119
DATE AS OF CHANGE:		20151119

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN FINANCIAL GROUP INC
		CENTRAL INDEX KEY:			0001042046
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				311544320
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		GREAT AMERICAN INSURANCE GROUP TOWER
		STREET 2:		301 E. 4TH STREET
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45202
		BUSINESS PHONE:		5135792121

	MAIL ADDRESS:	
		STREET 1:		GREAT AMERICAN INSURANCE GROUP TOWER
		STREET 2:		301 E. 4TH STREET
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45202

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMERICAN FINANCIAL GROUP HOLDINGS INC
		DATE OF NAME CHANGE:	19970709

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LINDNER CARL H III
		CENTRAL INDEX KEY:			0000942082
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13653
		FILM NUMBER:		151243624

	MAIL ADDRESS:	
		STREET 1:		14TH FLOOR PROVIDENT TOWER
		STREET 2:		ONE EAST FOURTH STREET
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45202
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
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        <issuerName>AMERICAN FINANCIAL GROUP INC</issuerName>
        <issuerTradingSymbol>AFG</issuerTradingSymbol>
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            <rptOwnerState>OH</rptOwnerState>
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                    <value>#21</value>
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    <derivativeTable>
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                <value>Stock Option Exercise</value>
            </securityTitle>
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                <value>2015-11-17</value>
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                <transactionFormType>4</transactionFormType>
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                <value></value>
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            <transactionAmounts>
                <transactionShares>
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                <transactionPricePerShare>
                    <value>0.00</value>
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                <transactionAcquiredDisposedCode>
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            <exerciseDate>
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                <value>2018-02-21</value>
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                    <value>26606</value>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>-Stock Option Exercise</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>27.20</value>
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            <transactionDate>
                <value>2015-11-18</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>26606</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F12"/>
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            <expirationDate>
                <value>2018-02-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>26606</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On 3/31/2015, Indirect #26 transferred 10,695 shares of AFG Common Stock to Indirect #1 and on 6/30/2015, Indirect #26 transferred 16,886 shares of AFG Common Stock to Indirect #1.  On 9/30/2015, Indirect #26 transferred 16,022 shares of AFG Common Stock to Indirect #1.</footnote>
        <footnote id="F2">Indirect #1: CHL III, TTEE (or his Successors) of the Carl H. Lindner III Family Trust DTD 8/29/02 as Amended.</footnote>
        <footnote id="F3">The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $70.91 to $71.215, inclusive.  The reporting person undertakes to provide to American Financial Group, Inc., (&quot;AFG&quot;), any security holder of AFG, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in the footnotes (3) and (4).</footnote>
        <footnote id="F4">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.57 to $70.81 inclusive.</footnote>
        <footnote id="F5">Indirect #2:  Martha S. Lindner, (or her Successor) of the Martha S. Lindner Family Trust DTD 8/30/02 as amended.</footnote>
        <footnote id="F6">Indirect #12:  Seraphim Partners LLC fka CHL Investments, LLC</footnote>
        <footnote id="F7">Indirect #21: Doug Marcian, TTEE MBL Trust Dtd 10/26/05.</footnote>
        <footnote id="F8">Indirect #22:  Doug Marcian, TTEE GD Trust Dtd 10/26/05.</footnote>
        <footnote id="F9">Indirect #26:  CHL III 2010-1 Qualified Annuity Trust DTD 4/9/10.</footnote>
        <footnote id="F10">Indirect #29:  Shares voting and dispositive power and holds a remainder interest in shares held directly or indirectly by a charitable lead annuity trust.  The reporting person disclaims beneficial interest of the shares held by the trust except to the extent of his pecuniary interest in such shares.</footnote>
        <footnote id="F11">Indirect #30:  Martha S. Lindner TTEE Carl H. Lindner Dynasty Trust DTD 12/21/12</footnote>
        <footnote id="F12">These Employee Stock Options become exercisable in five equal installments beginning on the first anniversary of the grant date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Carl H. Lindner III
By:  Karl J. Grafe, as Attorney-in-Fact</signatureName>
        <signatureDate>2015-11-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
