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

                                    FORM 13F

                              FORM 13F COVER PAGE


                 Report for the Quarter Ended March 31, 2012



                          AMERICAN FINANCIAL GROUP, INC.
                 301 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.

                                  Brian S. Hertzman
                       Assistant Vice President and Controller
                                   (513) 579-2153
                -----------------------------------------------
                (Name, Title and Phone Number of Person Signing
                 this Report on Behalf of Reporting Manager)



Signature:

/s/Brian S. Hertzman                   Cincinnati, Ohio         May 14, 2012
-------------------------------
Brian S. Hertzman
Assistant Vice President and Controller


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















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




Number of Other Included Managers:                         2
                                                      -----------

Form 13F Information Table Entry Total:                   179
                                                      -----------

Form 13F Information Table Value Total (thousands):   $1,090,939
                                                      -----------



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
       2.        Unassigned           Great American Life 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	 4,290	    70,000SH   Defined	   1	     70,000
AIR PRODS & CHEMS INC	              COM        009158 10 6    12,630	   137,584SH   Defined	   "        137,584
AMERICAN RAILCAR INDS INC             COM        02916P 10 3     1,246      53,000SH   Defined     "         53,000
ANWORTH MORTGAGE ASSET CP             COM        037347 10 1       823     125,000SH   Defined     "        125,000
APPLE INC                             COM        037833 10 0     5,996      10,000SH   Defined     "         10,000
ARCH COAL INC			      COM	 039380 10 0	 7,979	   745,000SH   Defined	   "	    745,000
BANK OF AMERICA CORPORATION           COM        060505 10 4     5,820     608,120SH   Defined     "        608,120
BEST BUY INC			      COM	 086516 10 1	 4,400	   185,800SH   Defined	   "	    185,800
CALAMP CORP                           COM        128126 10 9       678     139,750SH   Defined     "        139,750
CAPITOL FED FINL INC		      COM	 14057J 10 1	   428	    36,000SH   Defined     "         36,000
CHEVRON CORP NEW                      COM        166764 10 0     8,716      81,300SH   Defined     "         81,300
CITIGROUP INC                       COM NEW      172967 42 4    15,534     425,000SH   Defined     "        425,000
COMCAST CORP NEW                     CL A        20030N 10 1    12,109     403,500SH   Defined     "        403,500
CUMULUS MEDIA INC                    CL A        231082 10 8        62      17,777SH   Defined     "         17,777
DELTA AIR LINES INC DEL             COM NEW      247361 70 2       409      41,216SH   Defined     "         41,216
DISH NETWORK CORP                    CL A        25470M 10 9     1,241      37,675SH   Defined     "         37,675
ECHOSTAR CORP                        CL A        278768 10 6       697      24,786SH   Defined     "         24,786
ELLINGTON FINANCIAL LLC               COM        288522 30 3     6,116     312,700SH   Defined     "        312,700
EMERSON ELEC CO                       COM        291011 10 4     7,044     135,000SH   Defined     "        135,000
FIRST FINL BANCORP OH                 COM        320209 10 9     3,806     220,000SH   Defined     "        220,000
FLAGSTAR BANCORP INC                COM NEW      337930 50 7        15      16,500SH   Defined     "         16,500
FULL HOUSE RESORTS INC		      COM        359678 10 9       100      35,331SH   Defined     "         35,331
GENERAL ELECTRIC CO     	      COM        369604 10 3    13,547     675,000SH   Defined     "        675,000
HCA HOLDINGS INC 		      COM        40412C 10 1     7,510     303,559SH   Defined     "        303,559
HANMI FINL CORP			    COM NEW	 410495 20 4	 2,103	   207,813SH   Defined	   "	    207,813
HEINZ H J CO                          COM        423074 10 3    11,125     207,750SH   Defined     "        207,750
HEWLETT PACKARD CO		      COM	 428236 10 3    11,629     488,000SH   Defined     "        488,000
HOMESTREET INC			      COM	 43785V 10 2	 1,112	    40,000SH   Defined	   "	     40,000
INSTEEL INDUSTRIES INC                COM        45774W 10 8       299      24,609SH   Defined     "         24,609
INTEL CORP                            COM        458140 10 0    14,873     529,000SH   Defined     "        529,000
INTERNATIONAL BUSINESS MACHS          COM        459200 10 1    15,805      75,750SH   Defined     "         75,750
JPMORGAN CHASE & CO                   COM        46625H 10 0    15,633     340,000SH   Defined     "        340,000
JOHNSON & JOHNSON                     COM        478160	10 4    15,896     241,000SH   Defined	   "        241,000
KELLOGG CO                            COM        487836 10 8    11,737     218,850SH   Defined     "        218,850
KIMBERLY CLARK CORP                   COM        494368 10 3    14,778     200,000SH   Defined     "        200,000
KOHLS CORP                            COM        500255 10 4     7,505     150,000SH   Defined     "        150,000
KRAFT FOODS INC                      CL A        50075N 10 4    17,988     473,250SH   Defined     "        473,250
LEUCADIA NATL CORP                    COM        527288 10 4       199       7,633SH   Defined     "          7,633
LINCOLN NATL CORP IND                 COM        534187 10 9     1,318      50,000SH   Defined     "         50,000
LOCKHEED MARTIN CORP                  COM        539830 10 9     4,538      50,500SH   Defined     "         50,500
LOWES COS INC                         COM        548661 10 7     1,004      32,000SH   Defined     "         32,000
MYR GROUP INC DEL		      COM	 55405W 10 4	 6,869	   384,615SH   Defined	   "	    384,615
MCGRAW HILL COS INC                   COM        580645 10 9     4,847     100,000SH   Defined     "        100,000
MEDTRONIC INC                         COM        585055 10 6     4,703     120,000SH   Defined     "        120,000
MERCK & CO INC NEW                    COM        58933Y 10 5     9,638     251,000SH   Defined     "        251,000
METLIFE INC                           COM        59156R 10 8     5,210     139,500SH   Defined     "        139,500
MICROSOFT CORP                        COM        594918 10 4    21,014     651,500SH   Defined     "        651,500
MOTRICITY INC                         COM        620107 10 2        62      56,525SH   Defined     "         56,525
NATIONAL INTERSTATE CORP              COM        63654U 10 0   260,916  10,200,000SH   Defined     "     10,200,000
NEW YORK CMNTY BANCORP INC            COM        649445 10 3     4,869     350,000SH   Defined     "        350,000
O CHARLEYS INC                        COM        670823 10 3       290      29,500SH   Defined     "         29,500
OMEROS CORP                           COM        682143 10 2     1,013     102,040SH   Defined     "        102,040
PATTERSON UTI ENERGY INC              COM        703481 10 1       692      40,000SH   Defined     "         40,000
PEOPLES UNITED FINANCIAL INC	      COM	 712704 10 5    10,981     830,000SH   Defined     "        830,000
PEPSICO INC                           COM        713448 10 8    14,269     215,050SH   Defined     "        215,050
PFIZER INC                            COM        717081 10 3     9,466     418,000SH   Defined     "        418,000
PROCTER & GAMBLE CO                   COM        742718 10 9     8,737     130,000SH   Defined     "        130,000
PRUDENTIAL FINL INC                   COM        744320 10 2     2,219      35,000SH   Defined     "         35,000
RAYTHEON CO                         COM NEW      755111 50 7     3,985      75,500SH   Defined     "         75,500
STAPLES INC                           COM        855030 10 2     2,429     150,000SH   Defined     "        150,000
TARGET CORP		 	      COM        87612E 10 6    16,316     280,000SH   Defined	   "        280,000
3M CO                                 COM        88579Y 10 1    14,407     161,500SH   Defined     "        161,500
TIME WARNER INC                     COM NEW      887317 30 3     7,124     188,716SH   Defined     "        188,716
TORTOISE ENERGY CAP CORP              COM        89147U 10 0       731      25,800SH   Defined     "         25,800
UNITED CONTL HLDGS INC                COM        910047 10 9     2,796     130,024SH   Defined     "        130,024
VERISK ANALYTICS INC                 CL A        92345Y 10 6   115,802   2,465,453SH   Defined     "      2,465,453
VIRGIN MEDIA INC                      COM        92769L 10 1    18,430     737,807SH   Defined     "        737,807
WAL MART STORES INC		      COM        931142 10 3    11,628     190,000SH   Defined     "        190,000
WALGREEN CO                           COM        931422 10 9     8,255     246,500SH   Defined     "        246,500
WASTE MGMT INC DEL                    COM        94106L 10 9    16,078     459,900SH   Defined     "        459,900
WELLS FARGO & CO NEW                  COM        949746 10 1    11,608     340,000SH   Defined     "        340,000





HOLDINGS OF GREAT AMERICAN
  LIFE INSURANCE COMPANY
---------------------------
AIR PRODS & CHEMS INC                 COM        009158 10 6     5,049      55,000SH   Defined     2         55,000
AMERICAN RAILCAR INDS INC             COM        02916P 10 3       541      23,031SH   Defined     "         23,031
ANNALY CAP MGMT INC                   COM        035710 40 9     1,266      80,000SH   Defined     "         80,000
ANWORTH MORTGAGE ASSET CP             COM        037347 10 1       823     125,000SH   Defined     "        125,000
APPLE INC                             COM        037833 10 0     5,996      10,000SH   Defined     "         10,000
BEST BUY INC			      COM        086516 10 1	 1,610      68,000SH   Defined	   "	     68,000
CALAMP CORP                           COM        128126 10 9       683     140,750SH   Defined     "        140,750
CITIGROUP INC                       COM NEW      172967 42 4     7,676     210,000SH   Defined     "        210,000
COMCAST CORP NEW                     CL A        20030N 10 1    11,104     370,000SH   Defined     "        370,000
CUMULUS MEDIA INC                    CL A        231082 10 8       108      31,032SH   Defined     "         31,032
DELTA AIR LINES INC DEL             COM NEW      247361 70 2       266      26,829SH   Defined     "         26,829
DEX ONE CORP                          COM        25212W 10 0        15      10,772SH   Defined     "         10,772
DISH NETWORK CORP                    CL A        25470M 10 9     1,861      56,512SH   Defined     "         56,512
ECHOSTAR CORP                        CL A        278768 10 6     1,046      37,179SH   Defined     "         37,179
ELLINGTON FINANCIAL LLC               COM        288522 30 3    13,713     701,153SH   Defined     "        701,153
ENTERPRISE PRODS PARTNERS L           COM        293792 10 7     1,225      24,276SH   Defined     "         24,276
FLAGSTAR BANCORP INC                COM NEW      337930 50 7        15      16,500SH   Defined     "         16,500
FULL HOUSE RESORTS INC                COM        359678 10 9        90      31,617SH   Defined     "         31,617
GENERAL ELECTRIC CO                   COM        369604 10 3     9,533     475,000SH   Defined     "        475,000
HANMI FINL CORP			    COM NEW	 410495 20 4	 3,906     385,938SH   Defined	   "	    385,938
HEWLETT PACKARD CO                    COM        428236 10 3     3,193     134,000SH   Defined     "        134,000
HOMESTREET INC			      COM	 43785V 10 2	 3,336	   120,000SH   Defined	   "	    120,000
INSTEEL INDUSTRIES INC                COM        45774W 10 8       270      22,216SH   Defined     "         22,216
JPMORGAN CHASE & CO                   COM        46625H 10 0     4,138      90,000SH   Defined     "         90,000
LEUCADIA NATL CORP                    COM        527288 10 4       217       8,315SH   Defined     "          8,315
LINCOLN NATL CORP IND                 COM        534187 10 9     4,481     170,000SH   Defined     "        170,000
MARATHON OIL CORP                     COM        565849 10 6     8,559     270,000SH   Defined     "        270,000
METLIFE INC                           COM        59156R 10 8    11,791     315,700SH   Defined     "        315,700
MOTRICITY INC                         COM        620107 10 2        93      84,788SH   Defined     "         84,788
O CHARLEYS INC                        COM        670823 10 3       199      20,256SH   Defined     "         20,256
OMEROS CORP                           COM        682143 10 2     1,520     153,061SH   Defined     "        153,061
ORACLE CORP                           COM        68389X 10 5     4,811     165,000SH   Defined     "        165,000
PATTERSON UTI ENERGY INC              COM        703481 10 1       692      40,000SH   Defined     "         40,000
PLAINS ALL AMERN PIPELINE L      UNIT LTD PARTN  726503 10 5     2,746      35,000SH   Defined     "         35,000
PRUDENTIAL FINL INC                   COM        744320 10 2     5,071      80,000SH   Defined     "         80,000
REDWOOD TR INC                        COM        758075 40 2     2,800     250,000SH   Defined     "        250,000
RESEARCH IN MOTION LTD		      COM	 760975 10 2	 1,470	   100,000SH   Defined	   "	    100,000
TARGET CORP                           COM        87612E 10 6     1,748      30,000SH   Defined     "         30,000
TORTOISE ENERGY CAP CORP              COM        89147U 10 0     2,434      85,900SH   Defined     "         85,900
UNITED CONTL HLDGS INC		      COM	 910047 10 9     2,473	   115,000SH   Defined	   "	    115,000
VIRGIN MEDIA INC                      COM        92769L 10 1    10,288     411,838SH   Defined     "        411,838
VODAFONE GROUP PLC NEW 		 SPONS ADR NEW   92857W 20 9     9,560	   345,500SH   Defined	   "	    345,500
WAL MART STORES INC                   COM        931142 10 3       612      10,000SH   Defined     "         10,000





HOLDINGS OF OTHER ENTITIES
EACH HAVING LESS THAN
$100 MILLION IN 13F SECURITIES
------------------------------
ACE LTD                               SHS        H0023R 10 5     4,612      63,000SH    Sole                 63,000
AT&T INC                              COM        00206R 10 2       640      20,500SH   Defined     1         20,500
ABBOTT LABS                           COM        002824 10 0       558       9,100SH   Defined	   "          9,100
ACTUATE CORP                          COM        00508B 10 2       102      16,313SH   Defined     "         16,313
AMERICAN RAILCAR INDS INC             COM        02916P 10 3       695      29,550SH   Defined     2         29,550
ARCH COAL INC			      COM	 039380 10 0	 1,178     110,000SH   Defined	   	    110,000
BANK OF AMERICA CORPORATION           COM        060505 10 4     4,531     473,480SH   Defined     1        473,480
BERKLEY W R CORP                      COM        084423 10 2     4,226     117,000SH    Sole                117,000
BEST BUY INC			      COM	 086516 10 1	 2,041	    86,200SH   Defined	   	     86,200
BLDRS INDEX FDS TR              EMER MK 50 ADR   09348R 30 0     1,993      47,209SH   Defined     1         47,209
CAMPBELL SOUP CO                      COM        134429 10 9       508      15,000SH   Defined     "         15,000
CARDINAL FINL CORP                    COM        14149F 10 9       116      10,296SH   Defined     "         10,296
CHEVRON CORP NEW                      COM        166764 10 0       375       3,500SH   Defined	   "          3,500
CHUBB CORP                            COM        171232 10 1     4,907      71,000SH    Sole                 71,000
CLAYMORE EXCHANGE TRD FD TR     GUG MULTI ASSET  18383M 50 6	   532	    24,355SH   Defined	   1	     24,355
CONOCOPHILLIPS                        COM        20825C 10 4       532       7,000SH   Defined     "          7,000
DELTA AIR LINES INC DEL             COM NEW      247361 70 2       129      13,003SH   Defined    1,2        13,003
DU PONT E I DE NEMOURS & CO           COM        263534 10 9       291       5,500SH   Defined     1          5,500
EATON CORP                            COM        278058 10 2       573      11,500SH   Defined     "         11,500
EATON VANCE TAX MNGD GBL DV           COM        27829F 10 8       356      40,000SH   Defined     "         40,000
ELLINGTON FINANCIAL LLC		      COM	 288522 30 3	   782	    40,000SH   Defined     	     40,000
FIRST FINL BANCORP OH                 COM        320209 10 9        83       4,784SH   Defined     1          4,784
GENERAL ELECTRIC CO                   COM        369604 10 3       702      35,000SH   Defined     "         35,000
GENERAL MLS INC                       COM        370334 10 4       592      15,000SH   Defined     "         15,000
GLOBAL CASH ACCESS HLDGS INC	      COM	 378967 10 3	   101	    12,942SH   Defined     "         12,942
HEWLETT PACKARD CO		      COM	 428236 10 3     1,144      48,000SH   Defined               48,000
HOMESTREET INC			      COM        43785V 10 2     2,224      80,000SH   Defined               80,000
ILLINOIS TOOL WKS INC                 COM        452308 10 9       314       5,500SH   Defined     1          5,500
INDEXIQ ETF TR                  IQ GLB RES ETF   45409B 88 3       860      29,545SH   Defined     "         29,545
ISHARES TR                      MSCI EAFE INDEX  464287 46 5     2,093      38,127SH   Defined     "         38,127
ISHARES TR                       S&P MIDCAP 400  464287 50 7     1,489      15,009SH   Defined     "         15,009
JOHNSON & JOHNSON                     COM        478160 10 4       541       8,200SH   Defined     "          8,200
KEYCORP NEW                           COM        493267 10 8       444      52,222SH   Defined     "         52,222
KIMBERLY CLARK CORP                   COM        494368 10 3       602       8,150SH   Defined     "          8,150
LTX-CREDENCE CORP                   COM NEW      502403 20 7        95      13,237SH   Defined     "         13,237
LEGGETT & PLATT INC                   COM        524660 10 7       656      28,500SH   Defined     "         28,500
LEUCADIA NATL CORP                    COM        527288 10 4        14         526SH   Defined     "            526
LILLY ELI & CO                        COM        532457 10 8       644      16,000SH   Defined     "         16,000
LOCKHEED MARTIN CORP                  COM        539830 10 9       728       8,100SH   Defined     "          8,100
MANAGED HIGH YIELD PLUS FD I          COM        561911 10 8        22      10,000SH   Defined     "         10,000
MERCK & CO INC NEW                    COM        58933Y 10 5       768      20,000SH   Defined               20,000
MICROSOFT CORP                        COM        594918 10 4       484      15,000SH   Defined     1         15,000
O CHARLEYS INC                        COM        670823 10 3       240      24,398SH   Defined               24,398
PETROQUEST ENERGY INC                 COM        716748 10 8        72      11,803SH   Defined     1         11,803
PFIZER INC                            COM        717081 10 3       453      20,000SH   Defined               20,000
PHILIP MORRIS INTL INC                COM        718172 10 9       576       6,500SH   Defined     1          6,500
POWERSHARES ETF TRUST            DYNAMIC MKT PT  73935X 10 4     1,231      26,391SH   Defined     "         26,391
POWERSHARES ETF TRUST            HI YLD EQ DVDN  73935X 30 2       282      29,947SH   Defined     "         29,947
PROCTER & GAMBLE CO                   COM        742718 10 9       631       9,391SH   Defined     "          9,391
RAMCO-GERSHENSON PPTYS TR	 COM SH BEN INT  751452 20 2	   126      10,300SH   Defined     "         10,300
RAYTHEON CO                         COM NEW      755111 50 7       639      12,100SH   Defined     "         12,100
RESEARCH IN MOTION LTD                COM        760975 10 2       588      40,000SH   Defined               40,000
REVENUESHARES ETF TR              SMALL CAP FD   761396 30 8       761      20,932SH   Defined     1         20,932
SPDR S&P 500 ETF TR                 TR UNIT      78462F 10 3     1,514      10,749SH   Defined     "         10,749
SELECT SECTOR SPDR TR	         SBI MATERIALS   81369Y 10 0	   282	     7,628SH   Defined     "	      7,628
SELECT SECTOR SPDR TR	         SBI CONS STPLS  81369Y 30 8	   343      10,052SH   Defined	   "	     10,052
SYSCO CORP                            COM        871829 10 7       567      19,000SH   Defined     "         19,000
THOMSON REUTERS CORP                  COM        884903 10 5       520      18,000SH   Defined     "         18,000
UNITED CONTL HLDGS INC 		      COM        910047 10 9     1,183      55,000SH   Defined     2         55,000
VANGUARD SPECIALIZED PORTFOL       DIV APP ETF   921908 84 4       532       9,094SH   Defined     1          9,094
VANGUARD INDEX FDS                  REIT ETF     922908 55 3     1,283      20,161SH   Defined     "         20,161
VIACOM INC NEW                       CL B        92553P 20 1     3,797      80,000SH   Defined               80,000
VIRGIN MEDIA INC                      COM        92769L 10 1    14,714     589,050SH   Defined     2        589,050
VODAFONE GROUP PLC NEW		 SPONS ADR NEW   92857W 20 9	 2,615	    94,500SH   Defined               94,500
WISCONSIN ENERGY CORP                 COM        976657 10 6       563      16,000SH   Defined     1         16,000


                                                             ----------
                                 REPORT TOTAL                $1,090,939
                                                             ==========