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

                                    FORM 13F

                              FORM 13F COVER PAGE


                  Report for the Quarter Ended March 31, 2003



                          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 13, 2003
----------------------------------
Fred J. Runk
Senior Vice President and Treasurer


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









                                 Page 1 of 3


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




Number of Other Included Managers:                         4
                                                      ----------

Form 13F Information Table Entry Total:                   52
                                                      ----------

Form 13F Information Table Value Total (thousands):   $ 888,742
                                                      ----------


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.             28-5042             AFC Holding Company

       2.             28-497              American Financial Corporation

       3.             28-498              Great American Insurance Company

       4.             28-2414             Americam Premier Underwriters, 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
--------------------------------------------
                                                                                               
AOL TIME WARNER INC                   COM        00184A 10 5      284      26,149SH   Defined   1,2,3       26,149
CIT GROUP INC                         COM        125581 10 8    1,433      85,000SH   Defined     "         85,000
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9      522      27,500SH   Defined     "         27,500
CHIQUITA BRANDS INTL INC        *W EXP 3/19/2009 170032 11 4    6,377   1,944,340SH   Defined     "                       1,944,340
COMCAST CORP NEW                     CL A        20030N 10 1      576      20,153SH   Defined     "         20,153
COMCAST CORP NEW                   CL A SPL      20030N 20 0      962      35,000SH   Defined     "                          35,000
CONAGRA FOODS INC                     COM        205887 10 2      502      25,000SH   Defined     "         25,000
GREAT AMERN FINL RES INC              COM        389915 10 9  531,510  35,059,995SH   Defined     "     35,059,995
KEYCORP NEW                           COM        493267 10 8    1,354      60,000SH   Defined     "         60,000
KROGER CO                             COM        501044 10 1       99       7,500SH   Defined     "          7,500
MARSH SUPERMARKETS INC               CL B        571783 20 8    2,009     189,543SH   Defined     "                         189,543
MARSH SUPERMARKETS INC               CL A        571783 30 7    8,393     729,844SH   Defined     "        729,844
PNC FINL SVCS GROUP INC               COM        693475 10 5    2,712      64,000SH   Defined     "         64,000
PROVIDENT FINL GROUP INC              COM        743866 10 5  118,299   5,572,271SH   Defined     "      5,572,271
QWEST COMMUNICATIONS INTL INC         COM        749121 10 9       62      17,902SH   Defined     "         17,902
RCN CORP                              COM        749361 10 1       15      21,000SH   Defined     "         21,000
SAFEWAY INC                         COM NEW      786514 20 8      683      36,100SH   Defined     "         36,100
SEABULK INTL INC                      COM        81169P 10 1      765      84,553SH   Defined     "         84,553
SEPRACOR INC                          COM        817315 10 4    1,397     103,200SH   Defined     "        103,200
TENET HEALTHCARE CORP                 COM        88033G 10 0    1,053      90,000SH   Defined     "         60,000
TYCO INTL LTD NEW                     COM        902124 10 6    1,736     135,000SH   Defined     "        135,000
UNITED AUTO GROUP INC                 COM        909440 10 9      267      22,700SH   Defined     "         22,700
WASHINGTON MUT INC                    COM        939322 10 3      710      20,134SH   Defined     "         20,134
WILTEL COMMUNICATNS GROUP INC         COM        972487 10 2    3,821     303,284SH   Defined     "        303,284

HOLDINGS OF AMERICAN PREMIER
UNDERWRITERS, INC.
------------------------------
INFINITY PPTY & CAS CORP              COM        45665Q 10 3  143,271   7,850,465SH   Defined   1,2,4    7,850,465

HOLDINGS OF OTHER SUBSIDIARIES
OF AFG EACH HAVING LESS THAN
$100 MILLION IN 13F SECURITIES
------------------------------
AMERICAN INTL GROUP INC               COM        026874 10 7    2,473      50,000SH   Defined   1,2,3       50,000
BRISTOL MYERS SQUIBB CO               COM        110122 10 8      423      20,000SH   Defined   1,2,3,4     10,000           10,000
CIT GROUP INC                         COM        125581 10 8    1,602      95,000SH   Defined   1,2,3       95,000
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9    6,310     332,277SH   Defined   1,2,3,4    329,300            2,977
CHIQUITA BRANDS INTL INC        *W EXP 3/19/2009 170032 11 4    2,636     803,643SH   Defined     "        803,643
COMCAST CORP NEW                     CL A        20030N 10 1      423      14,800SH   Defined   1,2,4                        14,800
COMCAST CORP NEW                   CL A SPL      20030N 20 0      378      13,760SH   Defined     "                          13,760
JOHN HANCOCK BK &THRIFT OPP       SH BEN INT     409735 10 7      470      67,200SH   Defined     "                          67,200
HOST MARRIOTT CORP NEW                COM        44107P 10 4       70      10,110SH   Defined     "                          10,110
KROGER CO                             COM        501044 10 1       99       7,500SH   Defined   1,2,3        7,500
LEUCADIA NATL CORP                    COM        527288 10 4      942      26,352SH   Defined    1,2        26,352
MARSH SUPERMARKETS INC               CL B        571783 20 8    5,171     487,801SH   Defined   1,2,4                       487,801
METLIFE INC                           COM        59156R 10 8    1,296      49,115SH   Defined               49,115
POPULAR INC                           COM        733174 10 6    6,435     189,320SH   Defined   1,2,3      189,320
PROVIDENT FINL GROUP INC              COM        743866 10 5   14,796     696,943SH   Defined   1,2,3,4    499,704          197,239
RCN CORP                              COM        749361 10 1       51      70,250SH   Defined     "         20,000           50,250
SAFEWAY INC                         COM NEW      786514 20 8      706      37,300SH   Defined   1,2,3       37,300
SANTANDER BANCORP                     COM        802809 10 3      404      30,250SH   Defined     "         30,250
SEABULK INTL INC                      COM        81169P 10 1    3,409     376,645SH   Defined   1,2,3,4    278,645           98,000
SEPRACOR INC                          COM        817315 10 4      108       8,000SH   Defined   1,2,3        8,000
TENET HEALTHCARE CORP                 COM        88033G 10 0    2,032     121,700SH   Defined     "        121,700
TYCO INTL LTD NEW                     COM        902124 10 6    1,608     125,000SH   Defined     "        125,000
US BANCORP DEL                      COM NEW      902973 30 4      540      28,462SH   Defined   1,2,4                        28,462
UNITED AUTO GROUP INC                 COM        909440 10 9      298      25,400SH   Defined   1,2,3       25,400
WASHINGTON MUT INC                    COM        939322 10 3    1,594      45,179SH   Defined     "         45,179
WILTEL COMMUNICATNS GROUP INC         COM        972487 10 2    3,067     243,369SH   Defined     "        243,369
ZENITH NATL INS CORP                  COM        989390 10 9    2,121      98,900SH   Defined   1,2,4                        98,900
                                                             --------
                                 REPORT TOTAL                $888,724
                                                             ========