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

                                    FORM 13F

                              FORM 13F COVER PAGE


                  Report for the Quarter Ended March 31, 2004



                          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.

                                 Fred J. Runk
                     Senior Vice President and Treasurer
                                (513) 579-2489
                -----------------------------------------------
                (Name, Title and Phone Number of Person Signing
                 this Report on Behalf of Reporting Manager)



Signature:

Fred J. Runk                            Cincinnati, Ohio            May 7, 2004
----------------------------------
Fred J. Runk
Senior Vice President and Treasurer


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








                                 Page 1 of 4


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




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

Form 13F Information Table Entry Total:                  84
                                                      -----------

Form 13F Information Table Value Total (thousands):   $ 1,027,853
                                                      -----------



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





































                                     Page 2



                                                       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
--------------------------------------------
                                                                                                
GLOBAL CROSSING LTD		    SHS NEW      G3921A 17 5      130        6,521SH   Defined     1          6,521
AMERICAN ELEC PWR INC                 COM        025537 10 1    4,378      133,000SH   Defined     "        133,000
BANK OF AMERICA CORPORATION           COM        060505 10 4   10,868      134,200SH   Defined     "        134,200
COMCAST CORP NEW                     CL A        20030N 10 1      580       20,153SH   Defined     "         20,153
COMCAST CORP NEW                   CL A SPL      20030N 20 0    1,358       48,760SH   Defined     "                         48,760
CONAGRA FOODS INC                     COM        205887 10 2    2,206       81,900SH   Defined     "         81,900
DPL INC                               COM        233293 10 9    8,018      427,600SH   Defined     "        427,600
DOMINION RES INC VA NEW               COM        25746U 10 9    4,051       63,000SH   Defined     "         63,000
ENERGY EAST CORP                      COM        29266M 10 9    2,036       80,300SH   Defined     "         80,300
FIRSTENERGY CORP                      COM        337932 10 7    2,149       55,000SH   Defined     "         55,000
FLEETBOSTON FINL CORP                 COM        339030 10 8    2,919	    65,000SH   Defined     "         65,000
GREAT AMERN FINL RES INC              COM        389915 10 9  607,800   38,565,995SH   Defined     "     38,565,995
KROGER CO                             COM        501044 10 1      125        7,500SH   Defined     "          7,500
LEUCADIA NATL CORP                    COM        527288 10 4    3,152       59,161SH   Defined     "         59,161
MARSH SUPERMARKETS INC               CL B        571783 20 8    7,503      602,644SH   Defined     "                         602,644
MARSH SUPERMARKETS INC               CL A        571783 30 7    9,271      709,844SH   Defined     "        709,844
MERCK & CO INC                        COM        589331 10 7    2,210       50,000SH   Defined	   "         50,000
NTL INC DEL                           COM        62940M 10 4    4,110       69,040SH   Defined     "         69,040
NATIONAL CITY CORP                    COM        635405 10 3    6,760      190,000SH   Defined     "        190,000
NISOURCE INC                          COM        65473P 10 5    3,294      155,000SH   Defined     "        155,000
PNC FINL SVCS GROUP INC               COM        693475 10 5    3,547       64,000SH   Defined     "         64,000
PEPCO HOLDINGS INC                    COM        713291 10 2    1,850       90,500SH   Defined     "         90,500
PFIZER INC                            COM        717081 10 3    5,258      150,000SH   Defined	   "        150,000
PROGRESS ENERGY INC                   COM        743263 10 5    5,965      126,700SH   Defined     "        126,700
PROVIDENT FINL GROUP INC              COM        743866 10 5  226,204    5,629,771SH   Defined     "      5,629,771
QWEST COMMUNICATIONS INTL INC         COM        749121 10 9       77       17,902SH   Defined     "         17,902
RCN CORP                              COM        749361 10 1        6       21,000SH   Defined     "         21,000
SBC COMMUNICATIONS INC                COM        78387G 10 3    1,472       60,000SH   Defined     "         60,000
SARA LEE CORP                         COM        803111 10 3    1,093       50,000SH   Defined     "         50,000
SEABULK INTL INC                      COM        81169P 10 1      462       52,456SH   Defined     "         52,456
SUNTERRA CORP                       COM NEW      86787D 20 8      880       65,000SH   Defined     "         65,000
TIME WARNER INC                       COM        887317 10 5      441       26,149SH   Defined     "         26,149
TORTOISE ENERGY INFRSTRCTR C          COM        89147L 10 0    1,253       50,000SH   Defined     "         50,000
TYCO INTL LTD NEW                     COM        902124 10 6    3,295      115,000SH   Defined     "        115,000
U.S. BANCORP DEL                    COM NEW      902973 30 4    1,383       50,000SH   Defined     "         50,000
UNITED AUTO GROUP INC                 COM        909440 10 9      621       22,700SH   Defined     "         22,700
WALTER INDS INC                       COM        93317Q 10 5    1,416      118,600SH   Defined     "        118,600
WASHINGTON MUT INC                    COM        939322 10 3    2,568       60,134SH   Defined     "         60,134
ZENITH NATL INS CORP                  COM        989390 10 9      968       24,700SH   Defined     "         24,700














HOLDINGS OF OTHER ENTITIES EACH
 HAVING LESS THAN $100 MILLION
IN 13F SECURITIES
-------------------------------
GLOBAL CROSSING LTD                 SHS NEW      G3921A 17 5      278       13,897SH   Defined     1         13,897
BANK OF AMERICA CORPORATION           COM        060505 10 4        2           24SH    Sole                     24
BANK OF AMERICA CORPORATION           COM        060505 10 4    1,620       20,000SH   Defined     1         20,000
BRISTOL MYERS SQUIBB CO               COM        110122 10 8      242       10,000SH   Defined     "         10,000
BRISTOL MYERS SQUIBB CO               COM        110122 10 8      242       10,000SH    Other                                10,000
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9      384       16,800SH   Defined     1         16,800
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9       68        2,977SH    Other                                 2,977
COMCAST CORP NEW                      CLA        20030N 10 1      426       14,800SH    Other                                14,800
CONAGRA FOODS INC                     COM        205887 10 2    3,233      120,000SH   Defined     1        120,000
DPL INC                               COM        233293 10 9    1,688       90,000SH   Defined     "         90,000
DPL INC                               COM        233293 10 9      188       10,000SH    Other                                10,000
DOMINION RES INC VA NEW               COM        25746U 10 9    1,608       25,000SH   Defined     1         25,000
ENERGY EAST CORP                      COM        29266M 10 9    2,029       80,000SH   Defined     "         80,000
FIRSTENERGY CORP                      COM        337932 10 7    2,345       60,000SH   Defined     "         60,000
JOHN HANCOCK BK & THRIFT OPP      SH BEN INT     409735 10 7      679       67,200SH    Other                                67,200
HOST MARRIOT CORP NEW                 COM        44107P 10 4      129       10,110SH    Other                                10,110
KROGER CO                             COM        501044 10 1       42        2,500SH   Defined     1          2,500
LAIDLAW INTL INC                      COM        50730R 10 2      997       68,543SH   Defined     "         68,543
LEUCADIA NATL CORP                    COM        527288 10 4    1,404       26,352SH    Sole                 26,352
LEUCADIA NATL CORP                    COM        527288 10 4      263        4,935SH   Defined     1          4,935
MERCK & CO INC	                      COM        589331 10 7      442       10,000SH   Defined     "         10,000
METLIFE INC                           COM        59156R 10 8    1,752       49,115SH    Sole                 49,115
NTL INC DEL                           COM        62940M 10 4   10,999      184,760SH   Defined     1        184,760
NATIONAL CITY CORP                    COM        635405 10 3    1,473       41,400SH   Defined     "         41,400
NISOURCE INC                          COM        65473P 10 5      638       30,000SH   Defined     "         30,000
PEPCO HOLDINGS INC                    COM        713291 10 2      409       20,000SH   Defined     "         20,000
PFIZER INC                            COM        717081 10 3      702       20,000SH   Defined     "         20,000
POPULAR INC                           COM        733174 10 6    8,160      189,320SH   Defined     "        189,320
PROVIDENT FINL GROUP INC              COM        743866 10 5   20,079      499,704SH   Defined     "        499,704
PROVIDENT FINL GROUP INC              COM        743866 10 5    5,615      139,739SH    Other                               139,739
RCN CORP                              COM        749361 10 1        6       20,000SH   Defined     1         20,000
RCN CORP                              COM        749361 10 1       15       50,250SH    Other                                50,250
SBC COMMUNICATIONS INC                COM        78387G 10 3      491       20,000SH   Defined     1         20,000
SANTANDER BANCORP                     COM        802809 10 3      832       30,250SH   Defined     "         30,250
SEABULK INTL INC                      COM        81169P 10 1      172       19,600SH    Sole                 19,600
SEABULK INTL INC                      COM        81169P 10 1    1,876      213,201SH   Defined     1        213,201
SEABULK INTL INC                      COM        81169P 10 1      862       98,000SH    Other                                98,000
SUNTERRA CORP                       COM NEW      86787D 20 8    2,031      150,000SH   Defined     1        150,000
SUNTRUST BKS INC                      COM        867914 10 3    1,394       20,000SH   Defined     "         20,000
TORTOISE ENERGY INFRSTRCTR C          COM        89147L 10 0    1,253       50,000SH   Defined     "         50,000
US BANKORP DEL                      COM NEW      902973 90 4      787       28,462SH    Other                                28,462
UNITED AUTO GROUP INC                 COM        909440 10 9      561       20,500SH   Defined     1         20,500
WALTER INDS INC                       COM        93317Q 10 5    1,527      127,900SH   Defined     "        127,900
WASHINGTON MUT INC                    COM        939322 10 3    2,356       55,179SH   Defined     "         55,179
ZENITH NATL INS CORP                  COM        989390 10 9    3,877       98,900SH    Other                                98,900

                                                             ----------
                                 REPORT TOTAL                $1,027,853
                                                             ==========