UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C.  20549
                                       
                                    FORM 13F
                                       
                              FORM 13F COVER PAGE


                  Report for the Quarter Ended September 30, 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:

s/Fred J. Runk                        Cincinnati, Ohio     November 15, 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:                        2
                                                      -----------

Form 13F Information Table Entry Total:                  91
                                                      -----------

Form 13F Information Table Value Total (thousands):   $ 1,094,097 
                                                      -----------



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 Financial Resources, Inc.



































                                     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      108        6,521SH   Defined     1          6,521
AMERICAN ELEC PWR INC                 COM        025537 10 1    4,251      133,000SH   Defined     "        133,000
BANK OF AMERICA CORPORATION           COM        060505 10 4   16,491      380,588SH   Defined     "        380,588 
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9    1,886       93,000SH   Defined     "         93,000
CITIGROUP INC                         COM        172967 10 1   12,354      280,000SH   Defined     "        280,000
COMCAST CORP NEW                     CL A        20030N 10 1      569       20,153SH   Defined     "         20,153
COMCAST CORP NEW                   CL A SPL      20030N 20 0    1,529       54,760SH   Defined     "                          54,760
DPL INC                               COM        233293 10 9    8,800      427,600SH   Defined     "        427,600 
ENERGY EAST CORP                      COM        29266M 10 9    2,022       80,300SH   Defined     "         80,300               
FIFTH THIRD BANCORP                   COM        316773 10 0    2,363       48,000SH   Defined     "         48,000
GREAT AMERN FINL RES INC              COM        389915 10 9  589,674   38,565,995SH   Defined     "     38,565,995
INTERNATIONAL STL GROUP INC           COM        460377 10 4    1,156       34,300SH   Defined     "         34,300
JPMORGAN & CHASE & CO                 COM        46625H 10 0    3,178       80,000SH   Defined     "         80,000
KROGER CO                             COM        501044 10 1      116        7,500SH   Defined     "          7,500
MARSH SUPERMARKETS INC               CL B        571783 20 8    6,750      602,644SH   Defined     "                         602,644
MARSH SUPERMARKETS INC               CL A        571783 30 7    7,879      709,844SH   Defined     "        709,844
MERCK & CO INC                        COM        589331 10 7    1,650       50,000SH   Defined	   "         50,000
NTL INC DEL                           COM        62940M 10 4    5,837       94,040SH   Defined     "         92,040
NATIONAL CITY CORP                    COM        635405 10 3  254,111    6,579,789SH   Defined     "      6,579,789
NISOURCE INC                          COM        65473P 10 5    3,257      155,000SH   Defined     "        155,000
PNC FINL SVCS GROUP INC               COM        693475 10 5    3,462       64,000SH   Defined     "         64,000
PEPCO HOLDINGS INC                    COM        713291 10 2    1,801       90,500SH   Defined     "         90,500
PFIZER INC                            COM        717081 10 3    5,202      170,000SH   Defined	   "        170,000
PROGRESS ENERGY INC                   COM        743263 10 5    4,010       94,700SH   Defined     "         94,700
QWEST COMMUNICATIONS INTL IN          COM        749121 10 9       60       17,902SH   Defined     "         17,902
SBC COMMUNICATIONS INC                COM        78387G 10 3    1,557       60,000SH   Defined     "         60,000
SARA LEE CORP                         COM        803111 10 3    1,143       50,000SH   Defined     "         50,000
SEABULK INTL INC                      COM        81169P 10 1      543       52,456SH   Defined     "         52,456
SUNTERRA CORP                       COM NEW      86787D 20 8      619       65,000SH   Defined     "         65,000
SUNTRUST BKS INC                      COM        867914 10 3    2,816       40,000SH   Defined     "         40,000
TIME WARNER INC                       COM        887317 10 5      422       26,149SH   Defined     "         26,149  
TORTOISE ENERGY INFRSTRCTR C          COM        89147L 10 0    1,300       50,000SH   Defined     "         50,000
TYCO INTL LTD NEW                     COM        902124 10 6    1,380       45,000SH   Defined     "         45,000
US BANCORP DEL                      COM NEW      902973 30 4    3,757      130,000SH   Defined     "        130,000
UNITED AUTO GROUP INC                 COM        909440 10 9      994       39,600SH   Defined     "         39,600
VIACOM INC                           CL B        925524 30 8    1,510       45,000SH   Defined     "         45,000
WACHOVIA CORP 2ND NEW                 COM        929903 10 2    1,291       27,500SH   Defined     "         27,500
WALTER INDS INC                       COM        93317Q 10 5    1,900      118,600SH   Defined     "        118,600
WASHINGTON MUT INC                    COM        939322 10 3    4,558      116,634SH   Defined     "        116,634
ZENITH NATL INS CORP                  COM        989390 10 9    1,045       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      235       14,224SH   Defined     1,2       14,224
ALLIANCE RES PARTNER L P         UT LTD PART     01877R 10 8    1,130       20,302SH   Defined     "         20,302
BANK OF AMERICA CORPORATION           COM        060505 10 4        2           48SH    Sole                     48
BANK OF AMERICA CORPORATION           COM        060505 10 4    1,733       40,000SH   Defined     1,2       40,000
BRISTOL MYERS SQUIBB CO               COM        110122 10 8      237       10,000SH   Defined     1         10,000     
BRISTOL MYERS SQUIBB CO               COM        110122 10 8      237       10,000SH    Other                                10,000
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9    7,352      362,500SH   Defined     1,2      362,500            
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9      896       44,177SH    Other                                44,177
CITIGROUP INC                         COM        172967 10 1    3,088       70,000SH   Defined     1,2       70,000
COMCAST CORP NEW                     CL A        20030N 10 1    1,548       54,800SH    Other                                54,800
COMCAST CORP NEW                   CL A SPL      20030N 20 0    7,790      279,000SH   Defined     1,2      279,000   
CONAGRA FOODS INC                     COM        205887 10 2      563       21,900SH   Defined     1         21,900
DPL INC                               COM        233293 10 9    1,852       90,000SH   Defined     "         90,000  
DPL INC                               COM        233293 10 9      206       10,000SH    Other                                10,000
DOMINION RES INC VA NEW               COM        25746U 10 9    1,520       23,300SH   Defined     1         23,300 
ENERGY EAST CORP                      COM        29266M 10 9    2,014       80,000SH   Defined     "         80,000
FIFTH THIRD BANCORP                   COM        316773 10 0    4,336       88,100SH   Defined     1,2       88,100      
JOHN HANCOCK BK &THRIFT OPP       SH BEN INT     409735 10 7      661       67,200SH    Other                                67,200
HOST MARRIOTT CORP NEW                COM        44107P 10 4      142       10,110SH    Other                                10,110
INTERNATIONAL STL GROUP INC           COM        460377 10 4    2,224       66,000SH   Defined     1,2       66,000
KROGER CO                             COM        501044 10 1       39        2,500SH   Defined     "          2,500
LAIDLAW INTL INC                      COM        50730R 10 2    1,128       68,543SH   Defined     "         68,543
LEUCADIA NATL CORP                    COM        527288 10 4    1,493       26,352SH    Sole                 26,352
MERCK & CO INC	                      COM        589331 10 7      330       10,000SH   Defined     1         10,000
METLIFE INC                           COM        59156R 10 8    1,898       49,115SH    Sole                 49,115
NRG ENERGY INC                      COM NEW      629377 50 8    1,169       43,411SH   Defined     1,2       43,411
NTL INC DEL                           COM        62940M 10 4   16,391      264,065SH   Defined     "        264,065
NATIONAL CITY CORP                    COM        635405 10 3   23,503      608,563SH   Defined     "        608,563
NATIONAL CITY CORP                    COM        635405 10 3    1,993       51,603SH    Other                                51,603
NISOURCE INC                          COM        65473P 10 5      630       30,000SH   Defined     1         30,000
PEPCO HOLDINGS INC                    COM        713291 10 2      398       20,000SH   Defined     "         20,000
PFIZER INC                            COM        717081 10 3    1,530       50,000SH   Defined     1,2       50,000
PIMCO HIGH INCOME FD                COM SHS      722014 10 7    6,161      417,700SH   Defined     "        417,700
POPULAR INC                           COM        733174 10 6    9,958      378,640SH   Defined     "        378,640
SBC COMMUNICATIONS INC                COM        78387G 10 3      519       20,000SH   Defined     1         20,000
SANTANDER BANCORP                     COM        802809 10 3      832       33,275SH   Defined     1,2       33,275
SEABULK INTL INC                      COM        81169P 10 1      203       19,600SH    Sole                 19,600          
SEABULK INTL INC                      COM        81169P 10 1    2,206      213,201SH   Defined     1,2      213,201          
SEABULK INTL INC                      COM        81169P 10 1    1,014       98,000SH    Other                                98,000
SUNTERRA CORP                       COM NEW      86787D 20 8    1,430      150,000SH   Defined     1,2      150,000
SUNTRUST BKS INC                      COM        867914 10 3    2,816       40,000SH   Defined     "         40,000
TORTOISE ENERGY INFRSTRCTR C          COM        89147L 10 0    1,300       50,000SH   Defined     "         50,000
US BANCORP DEL                      COM NEW      902973 30 4    1,445       50,000SH   Defined     "         50,000
US BANCORP DEL                      COM NEW      902973 30 4      823       28,462SH    Other                                28,462
UNITED AUTO GROUP INC                 COM        909440 10 9    1,463       58,300SH   Defined     1,2       58,300
VIACOM INC                           CL B        925524 30 8    4,531      135,000SH   Defined     "        135,000
VIACOM INC                           CL B        925524 30 8      336       10,000SH    Other                                10,000
WACHOVIA CORP 2ND NEW                 COM        929903 10 2    1,291       27,500SH   Defined     1,2       27,500
WALTER INDS INC                       COM        93317Q 10 5    2,049      127,900SH   Defined     "        127,900
WASHINGTON MUT INC                    COM        939322 10 3    2,684       68,679SH   Defined     "         68,679
ZENITH NATL INS CORP                  COM        989390 10 9    1,417       33,500SH    Other                                33,500

                                                             ----------
                                 REPORT TOTAL                $1,094,097
                                                             ==========