UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C.  20549

                                    FORM 13F

                              FORM 13F COVER PAGE


                 Report for the Quarter Ended September 30, 2011



                          AMERICAN FINANCIAL GROUP, INC.
                 One East Fourth Street, Cincinnati, Ohio 45202
     -------------------------------------------------------------------------
     (Name and Address of Institutional Investment Manager Filing this Report)


                         Form 13F File Number:  28-4389


The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.

                                 Robert H. Ruffing
                     	   Vice President and Controller
                                   (513) 579-2144
                -----------------------------------------------
                (Name, Title and Phone Number of Person Signing
                 this Report on Behalf of Reporting Manager)



Signature:

/s/Robert H. Ruffing                  Cincinnati, Ohio         November 14, 2011
-------------------------------
Robert H. Ruffing
Vice President and Controller


Report Type:
     [X]  13F HOLDINGS REPORT.
     [ ]  13F NOTICE.
     [ ]  13F COMBINATION REPORT.


















                            FORM 13F SUMMARY PAGE
                            ---------------------




Number of Other Included Managers:                         1
                                                      -----------

Form 13F Information Table Entry Total:                   151
                                                      -----------

Form 13F Information Table Value Total (thousands):     $864,102
                                                      -----------



Name and 13F file numbers of all Institutional Investment Managers with respect
to which this schedule is filed (other than American Financial Group, Inc.):

    Number    13F File Number         Name of Subsidiary
    ------    ---------------         ------------------------------------

       1.          28-498             Great American Insurance Company



































                                                       FORM 13F INFORMATION TABLE


                                                             Column 4:   Column 5:                               Column 8:
                                   Column 2:                  Market     Shares or    Column 6: Column 7:    Voting Authority
        Column 1:                  Title of       Column 3:    Value     Principal   Investment    Other ---------------------------
     Name of Issuer                  Class          CUSIP     (000's)      Amount    Discretion Managers    Sole    Shared    None
     --------------             ---------------- ----------- ---------  ------------ ---------- -------- ---------- ------ ---------


HOLDINGS OF GREAT AMERICAN INSURANCE COMPANY
--------------------------------------------
                                                                                                 
ABBOTT LABS			      COM	 002824 10 0	 4,858	    95,000SH   Defined	   1	     95,000
AIR PRODS & CHEMS INC		      COM        009158 10 6	10,507	   137,584SH   Defined	   "        137,584
AMERICAN RAILCAR INDS INC             COM        02916P 10 3     1,046      68,000SH   Defined     "         68,000
ANWORTH MORTGAGE ASSET CP             COM        037347 10 1       850     125,000SH   Defined     "        125,000
ARCH COAL INC			      COM	 039380 10 0	 7,582	   520,000SH   Defined	   "	    520,000
BANK OF AMERICA CORPORATION           COM        060505 10 4     3,722     608,120SH   Defined     "        608,120
CALAMP CORP                           COM        128126 10 9       449     139,750SH   Defined     "        139,750
CAMPBELL SOUP CO		      COM	 134429 10 9	 3,237	   100,000SH   Defined     "        100,000
CAPITOL FED FINL INC		      COM	 14057J 10 1	   380	    36,000SH   Defined     "         36,000
CHEVRON CORP NEW                      COM        166764 10 0    11,694     126,300SH   Defined     "        126,300
CITIGROUP INC                       COM NEW      172967 42 4    10,886     425,000SH   Defined     "        425,000
COMCAST CORP NEW                     CL A        20030N 10 1     8,441     403,500SH   Defined     "        403,500
COMPUTER SCIENCES CORP                COM        205363 10 4     4,565     170,000SH   Defined     "        170,000
CUMULUS MEDIA INC                    CL A        231082 10 8        50      17,777SH   Defined     "         17,777
DELTA AIR LINES INC DEL             COM NEW      247361 70 2       309      41,216SH   Defined     "         41,216
DISH NETWORK CORP                    CL A        25470M 10 9       944      37,675SH   Defined     "         37,675
ECHOSTAR CORP                        CL A        278768 10 6       560      24,786SH   Defined     "         24,786
ELLINGTON FINANCIAL LLC               COM        288522 30 3     5,154     300,000SH   Defined     "        300,000
EMERSON ELEC CO                       COM        291011 10 4     9,088     220,000SH   Defined     "        220,000
FIRST FINL BANCORP OH                 COM        320209 10 9     3,036     220,000SH   Defined     "        220,000
FLAGSTAR BANCORP INC                COM NEW      337930 50 7         8      16,500SH   Defined     "         16,500
FULL HOUSE RESORTS INC		      COM        359678 10 9        97      35,331SH   Defined     "         35,331
GENERAL ELECTRIC CO     	      COM        369604 10 3    10,274     675,000SH   Defined     "        675,000
HCA HOLDINGS INC 		      COM        40412C 10 1     5,846     290,000SH   Defined     "        290,000
HEINZ H J CO                          COM        423074 10 3    10,487     207,750SH   Defined     "        207,750
HEWLETT PACKARD CO		      COM	 428236 10 3    10,956     488,000SH   Defined     "        488,000
INSTEEL INDUSTRIES INC                COM        45774W 10 8       248      24,609SH   Defined     "         24,609
INTEL CORP                            COM        458140 10 0    11,286     529,000SH   Defined     "        529,000
INTERNATIONAL BUSINESS MACHS          COM        459200 10 1    13,246      75,750SH   Defined     "         75,750
JPMORGAN CHASE & CO                   COM        46625H 10 0    10,241     340,000SH   Defined     "        340,000
JOHNSON & JOHNSON                     COM        478160	10 4    15,349     241,000SH   Defined	   "        241,000
KELLOGG CO                            COM        487836 10 8    11,641     218,850SH   Defined     "        218,850
KIMBERLY CLARK CORP                   COM        494368 10 3    14,202     200,000SH   Defined     "        200,000
KOHLS CORP                            COM        500255 10 4    11,293     230,000SH   Defined     "        230,000
KRAFT FOODS INC                      CL A        50075N 10 4    15,892     473,250SH   Defined     "        473,250
LEUCADIA NATL CORP                    COM        527288 10 4       173       7,633SH   Defined     "          7,633
LINCOLN NATL CORP IND                 COM        534187 10 9       782      50,000SH   Defined     "         50,000
LOCKHEED MARTIN CORP                  COM        539830 10 9     5,484      75,500SH   Defined     "         75,500
LOWES COS INC                         COM        548661 10 7     4,545     235,000SH   Defined     "        235,000
MYR GROUP INC DEL                     COM        55405W 10 4     6,785     384,615SH   Defined     "        384,615
MCDONALDS CORP                        COM        580135 10 1    14,446     164,500SH   Defined     "        164,500
MCGRAW HILL COS INC                   COM        580645 10 9     4,920     120,000SH   Defined     "        120,000
MEDTRONIC INC                         COM        585055 10 6     3,989     120,000SH   Defined     "        120,000
MERCK & CO INC NEW                    COM        58933Y 10 5     8,208     251,000SH   Defined     "        251,000
METLIFE INC                           COM        59156R 10 8     3,571     127,500SH   Defined     "        127,500
MICROSOFT CORP                        COM        594918 10 4    15,967     641,500SH   Defined     "        641,500
MOTRICITY INC                         COM        620107 10 2        96      56,525SH   Defined     "         56,525
NATIONAL INTERSTATE CORP              COM        63654U 10 0   224,196  10,200,000SH   Defined     "     10,200,000
NEW YORK CMNTY BANCORP INC            COM        649445 10 3     4,165     350,000SH   Defined     "        350,000
O'CHARLEYS INC                        COM        670823 10 3       175      29,500SH   Defined     "         29,500
OMEROS CORP                           COM        682143 10 2       413     102,040SH   Defined     "        102,040
PATTERSON UTI ENERGY INC              COM        703481 10 1       694      40,000SH   Defined     "         40,000
PEOPLES UNITED FINANCIAL INC	      COM	 712704 10 5     9,462     830,000SH   Defined     "        830,000
PEPSICO INC                           COM        713448 10 8    13,312     215,050SH   Defined     "        215,050
PFIZER INC                            COM        717081 10 3     7,390     418,000SH   Defined     "        418,000
PROCTER & GAMBLE CO                   COM        742718 10 9     8,213     130,000SH   Defined     "        130,000
PRUDENTIAL FINL INC                   COM        744320 10 2     1,640      35,000SH   Defined     "         35,000
RAYTHEON CO                         COM NEW      755111 50 7     3,086      75,500SH   Defined     "         75,500
STAPLES INC                           COM        855030 10 2     1,995     150,000SH   Defined     "        150,000
TARGET CORP		 	      COM        87612E 10 6    13,731     280,000SH   Defined	   "        280,000
3M CO                                 COM        88579Y 10 1    11,594     161,500SH   Defined     "        161,500
TIME WARNER INC                     COM NEW      887317 30 3     5,656     188,716SH   Defined     "        188,716
TORTOISE ENERGY CAP CORP              COM        89147U 10 0       604      25,800SH   Defined     "         25,800
VERISK ANALYTICS INC                 CL A        92345Y 10 6    45,066   1,296,115SH   Defined     "      1,296,115
VIRGIN MEDIA INC                      COM        92769L 10 1    17,966     737,807SH   Defined     "        737,807
WAL MART STORES INC		      COM        931142 10 3     9,861     190,000SH   Defined     "        190,000
WASTE MGMT INC DEL                    COM        94106L 10 9    14,974     459,900SH   Defined     "        459,900
WALGREEN CO                           COM        931422 10 9     8,107     246,500SH   Defined     "        246,500
WELLS FARGO & CO NEW                  COM        949746 10 1     8,201     340,000SH   Defined     "        340,000






HOLDINGS OF OTHER ENTITIES
EACH HAVING LESS THAN
$100 MILLION IN 13F SECURITIES
------------------------------
ACE LTD                               SHS        H0023R 10 5     3,818      63,000SH    Sole                 63,000
ABBOTT LABS                           COM        002824 10 0       465       9,100SH   Defined	   1          9,100
ACTUATE CORP                          COM        00508B 10 2        90      16,313SH   Defined     "         16,313
AIR PRODS & CHEMS INC		      COM        009158 10 6	 4,200	    55,000SH   Defined	             55,000
AMERICAN RAILCAR INDS INC             COM        02916P 10 3     1,039      67,581SH   Defined               67,581
ANNALY CAP MGMT INC                   COM        035710 40 9     1,330      80,000SH   Defined               80,000
ANWORTH MORTGAGE ASSET CP             COM        037347 10 1       850     125,000SH   Defined              125,000
AT&T INC                              COM        00206R 10 2       585      20,500SH   Defined     1         20,500
BANK OF AMERICA CORPORATION           COM        060505 10 4     2,745     448,480SH   Defined     "        448,480
BERKLEY W R CORP                      COM        084423 10 2     3,474     117,000SH    Sole                117,000
BLDRS INDEX FDS TR EMER MK 50         ADR        09348R 30 0     1,382      38,308SH   Defined     1         38,308
BRISTOL MYERS SQUIBB CO               COM        110122 10 8       628      20,000SH   Defined     "         20,000
CALAMP CORP                           COM        128126 10 9       452     140,750SH   Defined              140,750
CAMPBELL SOUP CO                      COM        134429 10 9       388      12,000SH   Defined     1         12,000
CARDINAL FINL CORP                    COM        14149F 10 9        89      10,296SH   Defined     "         10,296
CENTRAL EUROPEAN DIST CORP            COM        153435 10 2        94      13,479SH   Defined     "         13,479
CHUBB CORP                            COM        171232 10 1     4,259      71,000SH    Sole                 71,000
CITIGROUP INC                       COM NEW      172967 42 4     5,379     210,000SH   Defined              210,000
COMCAST CORP NEW                     CL A        20030N 10 1     7,740     370,000SH   Defined              370,000
CONOCOPHILLIPS                        COM        20825C 10 4       443       7,000SH   Defined                7,000
CUMULUS MEDIA INC                    CL A        231082 10 8        88      31,032SH   Defined               31,032
DELTA AIR LINES INC DEL             COM NEW      247361 70 2       299      39,832SH   Defined     1         39,832
DEX ONE CORP                          COM        25212W 10 0         6      10,772SH   Defined               10,772
DISH NETWORK CORP                    CL A        25470M 10 9     1,416      56,512SH   Defined               56,512
EATON VANCE TAX MNG GBL DV E          COM        27829F 10 8       320      40,000SH   Defined     1         40,000
ECHOSTAR CORP                        CL A        278768 10 6       841      37,179SH   Defined               37,179
ENTERPRISE PRODS PARTNERS L           COM        293792 10 7     4,709     117,276SH   Defined              117,276
ELLINGTON FINANCIAL LLC               COM        288522 30 3    11,609     675,753SH   Defined              675,753
FIRST FINL BANCORP OH                 COM        320209 10 9        66       4,784SH   Defined     1          4,784
FLAGSTAR BANCORP INC                COM NEW      337930 50 7         8      16,500SH   Defined               16,500
FULL HOUSE RESORTS INC		      COM        359678 10 9        87      31,617SH   Defined               31,617
GENERAL ELECTRIC CO                   COM        369604 10 3     7,762     510,000SH   Defined     1        510,000
GENERAL MLS INC                       COM        370334 10 4       577      15,000SH   Defined     "         15,000
HEWLETT PACKARD CO                    COM        428236 10 3     2,739     122,000SH   Defined              122,000
INDEXIQ ETF TR                  IQ GLB RES ETF   45409B 88 3       755      27,906SH   Defined     1         27,906
INSTEEL INDUSTRIES INC                COM        45774W 10 8       224      22,216SH   Defined               22,216
INTEL CORP                            COM        458140 10 0       533      25,000SH   Defined     1         25,000
ISHARES TR                      MSCI EAFE INDEX  464287 46 5     1,772      37,094SH   Defined     "         37,094
ISHARES TR                       s&P MIDSAP 400  462487 50 7       804      10,312SH   Defined     "         10,312
JOHNSON & JOHNSON                     COM        478160 10 4       427       6,700SH   Defined     "          6,700
JPMORGAN CHASE & CO                   COM        46625H 10 0     2,711      90,000SH   Defined               90,000
KEYCORP NEW                           COM        493267 10 8       310      52,222SH   Defined     1         52,222
KIMBERLY CLARK CORP                   COM        494368 10 3       579       8,150SH   Defined     "          8,150
KRATOS DEFENSE & SEC SOLUTIO        COM NEW      50077B 20 7        90      13,419SH   Defined     "         13,419
LEAPFROG ENTERPRISES INC             CL A        52186N 10 6        75      22,209SH   Defined     "         22,209
LEGGETT & PLATT INC                   COM        524660 10 7       564      28,500SH   Defined     "         28,500
LEUCADIA NATL CORP                    COM        527288 10 4       201       8,841SH   Defined     "          8,841
LILLY ELI & CO                        COM        532457 10 8       592      16,000SH   Defined     "         16,000
LINCOLN NATL CORP IND                 COM        534187 10 9     2,657     170,000SH   Defined              170,000
LOCKHEED MARTIN CORP                  COM        539830 10 9       588       8,100SH   Defined     1          8,100
LTX-CREDENCE CORP                   COM NEW      502403 20 7        91      17,169SH   Defined     "         17,169
MANAGED HIGH YIELD PLUS FD I          COM        561911 10 8        19      10,000SH   Defined     "         10,000
MARATHON OIL CORP                     COM        565849 10 6     5,827     270,000SH   Defined              270,000
MEADOWBROOK INS GROUP INC             COM        58319P 10 8       114      12,741SH   Defined     1         12,741
MERCK & CO INC NEW                    COM        58933Y 10 5       654      20,000SH   Defined               20,000
METLIFE INC                           COM        59156R 10 8     8,058     287,700SH   Defined              287,700
MOTRICITY INC                         COM        620107 10 2       143      84,787SH   Defined               84,787
O CHARLEYS INC                        COM        670823 10 3       265      44,654SH   Defined               44,654
OMEROS CORP                           COM        682143 10 2       620     153,061SH   Defined              153,061
ORACLE CORP                           COM        68389X 10 5     4,167     145,000SH   Defined              145,000
PATTERSON UTI ENERGY INC              COM        703481 10 1       694      40,000SH   Defined               40,000
PFIZER INC                            COM        717081 10 3       354      20,000SH   Defined               20,000
PLAINS ALL AMERN PIPELINE L      UNIT LTD PARTN  726503 10 5     9,722     165,000SH   Defined              165,000
POWERSHARES ETF TRUST            DYNAMIC MKT PT  73935X 10 4       932      25,305SH   Defined     1         25,305
POWERSHARES ETF TRUST            HI YLD EQ DVDN  73935X 30 2       219      26,728SH   Defined     "         26,728
PROCTER & GAMBLE CO                   COM        742718 10 9       593       9,391SH   Defined     "          9,391
PRUDENTIAL FINL INC                   COM        744320 10 2     3,749      80,000SH   Defined               80,000
RAYTHEON CO                         COM NEW      755111 50 7       495      12,100SH   Defined     1         12,100
REDWOOD TR INC                        COM        758075 40 2     2,234     200,000SH   Defined              200,000
REVENUESHARES EFT TR              SMALL CAP FD   761396 30 8       569      20,932SH   Defined     1         20,932
SPDR S&P 500 ETF TR                 TR UNIT      78462F 10 3     2,687      23,749SH   Defined     "         23,749
SELECT SECTOR SPDR TR            SBI MATERIALS   81369Y 10 0       224       7,628SH   Defined     "          7,628
SELECT SECTOR SPDR TR            SBI CONS STPLS  81369Y 30 8       298      10,052SH   Defined     "         10,052
SYSCO CORP                            COM        871829 10 7       492      19,000SH   Defined     "         19,000
TARGET CORP                           COM        87612E 10 6     1,471      30,000SH   Defined               30,000
TELECOMMUNICATION SYS INC            CL A        87929J 10 3        68      19,736SH   Defined     1         19,736
THOMSON REUTERS CORP                  COM        884903 10 5       324      12,000SH   Defined     "         12,000
TORTOISE ENERGY CAP CORP              COM        89147U 10 0     2,010      85,900SH   Defined               85,900
VANGUARD INDEX 			  FDS REIT EFT   922908 55 3       993      19,524SH   Defined     1         19,524
VIRGIN MEDIA INC                      COM        92769L 10 1    24,372   1,000,888SH   Defined            1,000,888
WAL MART STORES INC                   COM        931142 10 3       519      10,000SH   Defined               10,000
WISCONSIN ENERGY CORP                 COM        976657 10 6       375      12,000SH   Defined     1         12,000


                                                             ----------
                                 REPORT TOTAL                 $864,102
                                                             ==========