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

                                    FORM 13F

                              FORM 13F COVER PAGE


                  Report for the Quarter Ended - June 30, 2006



                          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     August 11, 2006
-------------------------------
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:                         3
                                                      -----------

Form 13F Information Table Entry Total:                   148
                                                      -----------

Form 13F Information Table Value Total (thousands):   $ 1,509,616
                                                      -----------



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
       3.	 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
--------------------------------------------
                                                                                                
GLOBAL CROSSING LTD		    SHS NEW      G3921A 17 5      116        6,521SH   Defined     1          6,521
AT&T INC		              COM 	 00206R 10 2	1,689       60,555SH   Defined     "         60,555
ALASKA AIR GROUP INC                  COM        011659 10 9    1,478       37,500SH   Defined     "         37,500
ALLIANCE RES PARTNER L P          UT LTD PART    01877R 10 8      471       13,000SH   Defined     "         13,000
ALPHA NATURAL RESOURCES INC           COM        02076X 10 2    6,382      325,300SH   Defined     "        325,300
ARCHER DANIELS MIDLAND CO             COM        039483 10 2    2,518       61,000SH   Defined     "         61,000
BOSTON SCIENTIFIC CORP                COM        101137 10 7    4,736      281,250SH   Defined     "        281,250
CBS CORP NEW                         CL B        124857 20 2    1,163       43,000SH   Defined     "         43,000
CV THERAPEUTICS INC                   COM        126667 10 4    1,104       79,000SH   Defined     "         79,000
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9    4,226      197,000SH   Defined     "        197,000
CITIGROUP INC                         COM        172967 10 1   16,646      345,000SH   Defined     "        345,000
COMCAST CORP NEW                     CL A        20030N 10 1      660       20,153SH   Defined     "         20,153
COMCAST CORP NEW                   CL A SPL      20030N 20 0    2,385       72,760SH   Defined     "         72,760
DISNEY WALT CO                    COM DISNEY     254687 10 6    8,190      273,000SH   Defined     "        273,000
DORAL FINL CORP                       COM        25811P 10 0       74       11,550SH   Defined     "         11,550
EMBARQ CORP                           COM        29078E 10 5      456       11,130SH   Defined     "         11,130
ENERGY EAST CORP                      COM        29266M 10 9      486       20,300SH   Defined     "         20,300
FEDERAL NATL MTG ASSN		      COM        313586 10 9    2,838       59,000SH   Defined     "         59,000
FIFTH THIRD BANCORP                   COM        316773 10 0    1,942       52,563SH   Defined     "         52,563
FLAGSTAR BANCORP INC                  COM        337930 10 1    2,633      165,000SH   Defined     "        165,000
FLEETWOOD ENTERPRISES INC             COM        339099 10 3      126       16,700SH   Defined     "         16,700
GENTEK INC                          COM NEW      37245X 20 3      142        5,300SH   Defined     "          5,300
GREAT AMERN FINL RES INC              COM        389915 10 9  807,186   38,565,995SH   Defined     "     38,565,995
JP MORGAN CHASE & CO                  COM        46625H 10 0    1,470       35,000SH   Defined     "         35,000
JOHNSON & JOHNSON                     COM        478160 10 4    3,595       60,000SH   Defined     "         60,000
M D C HLDGS INC                       COM        552676 10 8    1,963       37,800SH   Defined     "         37,800
MARSH SUPERMARKETS INC               CL B        571783 20 8    1,639      136,607SH   Defined     "        136,607
MARSH SUPERMARKETS INC               CL A        571783 30 7    5,968      494,408SH   Defined     "        494,408
MERCK & CO INC                        COM        589331 10 7    1,822       50,000SH   Defined	   "         50,000
MITTAL STEEL CO N V             NY REG SH CL A   60684P 10 1    3,129      102,568SH   Defined     "        102,568
NTL INC DEL                           COM        62941W 10 1   10,590      425,307SH   Defined     "        425,307
NATIONAL CITY CORP                    COM        635405 10 3   78,727    2,175,392SH   Defined     "      2,175,392
NATIONAL INTERSTATE CORP              COM        63654U 10 0  276,624   10,200,000SH   Defined     "     10,200,000
NEWS CORP                            CL A        65248E 10 4    2,398      125,000SH   Defined     "        125,000
NEWS CORP                            CL B        65248E 20 3    3,330      165,000SH   Defined     "        165,000
PEPCO HOLDINGS INC                    COM        713291 10 2      955       40,500SH   Defined     "         40,500
PFIZER INC                            COM        717081 10 3    9,740      415,000SH   Defined	   "        415,000
PULTE HOMES INC                       COM        745867 10 1    2,044       71,000SH   Defined     "         71,000
QWEST COMMUNICATIONS INTL IN          COM        749121 10 9      145       17,902SH   Defined     "         17,902
SARA LEE CORP                         COM        803111 10 3      801       50,000SH   Defined     "         50,000
SEACOR HOLDINGS INC                   COM        811904 10 1      284        3,463SH   Defined     "          3,463
SPRINT NEXTEL CORP                  COM FON      852061 10 0    7,448      372,600SH   Defined     "        372,600
SUNTERRA CORP                       COM NEW      86787D 20 8      666       65,000SH   Defined     "         65,000
TERRA NITROGEN CO L P               COM UNIT     881005 20 1      178        8,200SH   Defined     "	      8,200
TIME WARNER INC                       COM        887317 10 5      452       26,149SH   Defined     "         26,149
TOLL BROTHERS INC                     COM        889478 10 3    1,879       73,500SH   Defined     "         73,500
TORTOISE ENERGY CAP CORP              COM        89147U 10 0      556       25,800SH   Defined     "         25,800
TYCO INTL LTD NEW                     COM        902124 10 6    5,431      197,500SH   Defined     "        197,500
UAL CORP                            COM NEW      902549 80 7      971       31,313SH   Defined     "         31,313
US BANCORP DEL                      COM NEW      902973 30 4      679       22,000SH   Defined     "         22,000
VIACOM INC NEW                       CL B        92553P 20 1    2,437       68,000SH   Defined     "         68,000
ZENITH NATL INS CORP                  COM        989390 10 9    1,470       37,050SH   Defined     "         37,050





HOLDINGS OF GREAT AMERICAN
 LIFE INSURANCE COMPANY
----------------------------
ALASKA AIR GROUP INC                  COM        011659 10 9    2,610       66,200SH   Defined   1,2,3       66,200
ALLIANCE RES PARTNER L P          UT LTD PART    01877R 10 8    1,852       51,124SH   Defined     "         51,124
ALPHA NATURAL RESOURCES INC           COM        02076X 10 2    7,395      376,900SH   Defined     "        376,900
ARCHER DANIELS MIDLAND CO             COM        039483 10 2    2,518       61,000SH   Defined     "         61,000
BOSTON SCIENTIFIC CORP                COM        101137 10 7    5,208      309,250SH   Defined     "        309,250
CBS CORP NEW                         CL B        124857 20 2    2,583       95,500SH   Defined     "         95,500
CV THERAPEUTICS INC                   COM        126667 10 4    1,355       97,000SH   Defined     "         97,000
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9    6,585      307,000SH   Defined     "        307,000
CATERPILLAR INC DEL                   COM        149123 10 1    1,862       25,000SH   Defined     "         25,000
CITIGROUP INC                         COM        172967 10 1    5,308      110,000SH   Defined     "        110,000
COMCAST CORP NEW                   CL A SPL      20030N 20 0    3,375      102,971SH   Defined     "        102,971
DISNEY WALT CO                    COM DISNEY     254687 10 6    8,190      273,000SH   Defined     "        273,000
DORAL FINL CORP                       COM        25811P 10 0       99       15,440SH   Defined     "         15,440
EMBARQ CORP                           COM        29078E 10 5      488       11,910SH   Defined     "         11,910
FEDERAL NATL MTG ASSN	              COM        313586 10 9    2,838       59,000SH   Defined     "         59,000
FIFTH THIRD BANCORP                   COM        316773 10 0    1,888       51,100SH   Defined     "         51,100
FLAGSTAR BANCORP INC                  COM        337930 10 1    2,633      165,000SH   Defined     "        165,000
FLEETWOOD ENTERPRISES INC             COM        339099 10 3      189       25,000SH   Defined     "         25,000
GENTEK INC                          COM NEW      37245X 20 3      533       19,850SH   Defined     "         19,850
JP MORGAN CHASE & CO                  COM        46625H 10 0      160        3,800SH   Defined     "          3,800
JOHNSON & JOHNSON                     COM        478160 10 4    3,595       60,000SH   Defined     "         60,000
LINCOLN NATL CORP IND                 COM        534187 10 9    1,411       25,000SH   Defined     "         25,000
M D C HLDGS INC                       COM        552676 10 8    2,254       43,400SH   Defined     "         43,400
MITTAL STEEL CO N V             NY REG SH CL A   60684P 10 1    3,174      104,025SH   Defined     "        104,025
NRG ENERGY INC                      COM NEW      629377 50 8    1,285       26,675SH   Defined     "         26,675
NTL INC DEL                           COM        62941W 10 1   21,128      848,534SH   Defined     "        848,534
NEWS CORP                            CL A        65248E 10 4    2,398      125,000SH   Defined     "        125,000
NEWS CORP                            CL B        65248E 20 3    3,733      185,000SH   Defined     "        185,000
NUVEEN FLTNG RTE INCM OPP FD        COM SHS      6706EN 10 0    1,041       78,300SH   Defined     "         78,300
PFIZER INC                            COM        717081 10 3    6,689      285,000SH   Defined     "        285,000
PIMCO HIGH INCOME FD                COM SHS      722014 10 7    1,844      122,800SH   Defined     "        122,800
PULTE HOMES INC                       COM        745867 10 1    2,764       96,000SH   Defined     "         96,000
SEACOR HOLDINGS INC                   COM        811904 10 1      869       10,585SH   Defined     "         10,585
SPRINT NEXTEL CORP                  COM FON      852061 10 0    9,439      472,200SH   Defined     "        472,200
SUNTERRA CORP                       COM NEW      86787D 20 8    1,536      150,000SH   Defined     "        150,000
TERRA NITROGEN CO L P               COM UNIT     881005 20 1      180        8,300SH   Defined     "	      8,300
TOLL BROTHERS INC                     COM        889478 10 3    1,879       73,500SH   Defined     "         73,500
TORTOISE ENERGY CAP CORP              COM        89147U 10 0    2,597      120,500SH   Defined     "        120,500
TYCO INTL LTD NEW                     COM        902124 10 6    8,594      312,500SH   Defined     "        312,500
UAL CORP                            COM NEW      902549 80 7      969       31,232SH   Defined     "         31,232
US BANCORP DEL                      COM NEW      902973 30 4      648       21,000SH   Defined     "         21,000
VIACOM INC NEW                       CL B        92553P 20 1    4,319      120,500SH   Defined     "        120,500






HOLDINGS OF OTHER ENTITIES
EACH HAVING LESS THAN
$100 MILLION IN 13F SECURITIES
------------------------------
GLOBAL CROSSING LTD                 SHS NEW      G3921A 17 5      252       14,224SH   Defined   1,2,3       14,224
AT&T INC			      COM        00206R 10 2      558       20,000SH   Defined     1         20,000
ALASKA AIR GROUP INC                  COM        011659 10 9      930       23,600SH   Defined     "         23,600
ALASKA AIR GROUP INC                  COM        011659 10 9    1,131       28,700SH    Other                                28,700
ALLIANCE RES PARTNER L P          UT LTD PART    01877R 10 8      725       20,000SH    Other                                20,000
ALPHA NATURAL RESOURCES INC           COM        02076X 10 2      784       40,000SH   Defined     1         40,000
ALPHA NATURAL RESOURCES INC           COM        02076X 10 2    3,747      191,000SH    Other                               191,000
ARCHER DANIELS MIDLAND CO             COM        039483 10 2    1,156       28,000SH    Other                                28,000
BOSTON SCIENTIFIC CORP                COM        101137 10 7      421       25,000SH   Defined     1         25,000
BOSTON SCIENTIFIC CORP                COM        101137 10 7    3,553      211,000SH    Other                               211,000
BRISTOL MYERS SQUIBB CO               COM        110122 10 8      259       10,000SH   Defined     1         10,000
BRISTOL MYERS SQUIBB CO               COM        110122 10 8      259       10,000SH    Other                                10,000
CBS CORP NEW                         CL B        124857 20 2    1,545       57,100SH    Other                                57,100
CV THERAPEUTICS INC                   COM        126667 10 4      293       21,000SH    Other                                21,000
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9    2,574      120,000SH    Other                               120,000
CATERPILLAR INC DEL                   COM        149123 10 1    1,862       25,000SH   Defined     1         25,000
CITIGROUP INC                         COM        172967 10 1    3,619       75,000SH    Other                                75,000
COMCAST CORP NEW                   CL A SPL      20030N 20 0      803       24,500SH    Other                                24,500
DISNEY WALT CO                    COM DISNEY     254687 10 6    5,550      185,000SH    Other                               185,000
EMBARQ CORP                           COM        29078E 10 5       31          750SH   Defined     1            750
ENERGY EAST CORP                      COM        29266M 10 9      479       20,000SH   Defined     "         20,000
FEDERAL NATL MTG ASSN	              COM        313586 10 9    1,780       37,000SH    Other                                37,000
FIFTH THIRD BANCORP                   COM        316773 10 0      850       23,000SH    Other                                23,000
JOHN HANCOCK BK &THRIFT OPP       SH BEN INT     409735 10 7      634       67,200SH    Other                                67,200
HOST HOTELS & RESORTS INC             COM        44107P 10 4      221       10,110SH    Other                                10,110
JP MORGAN CHASE & CO                  COM        46625H 10 0      546       13,000SH    Other                                13,000
JOHNSON & JOHNSON                     COM        478160 10 4    1,198       20,000SH    Other                                20,000
LAIDLAW INTL INC                      COM        50730R 10 2    1,727       68,543SH   Defined   1,2,3       68,543
LINCOLN NATL CORP IND                 COM        534187 10 9    1,411       25,000SH   Defined     1         25,000
M D C HLDGS INC                       COM        552676 10 8      286        5,500SH   Defined     "          5,500
M D C HLDGS INC                       COM        552676 10 8    1,371       26,400SH    Other                                26,400
MERCK & CO INC	                      COM        589331 10 7      364       10,000SH   Defined     1         10,000
MITTAL STEEL CO N V             NY REG SH CL A   60684P 10 1    1,129       37,000SH    Other                                37,000
NRG ENERGY INC                      COM NEW      629377 50 8      859       17,839SH   Defined   1,2,3       17,839
NTL INC DEL                           COM        62941W 10 1    6,139      246,545SH    Other                               246,545
NATIONAL CITY CORP                    COM        635405 10 3    2,763       76,359SH   Defined     1         76,359
NATIONAL CITY CORP                    COM        635405 10 3      467       12,903SH    Other                                12,903
NEWS CORP                            CL A        65248E 10 4      767       40,000SH    Other                                40,000
NEWS CORP                            CL B        65248E 20 3      404       20,000SH    Other                                20,000
PEPCO HOLDINGS INC                    COM        713291 10 2      236       10,000SH   Defined     1         10,000
PFIZER INC                            COM        717081 10 3    1,291       55,000SH   Defined     "         55,000
PFIZER INC                            COM        717081 10 3    3,403      145,000SH    Other                               145,000
PULTE HOMES INC                       COM        745867 10 1      720       25,000SH   Defined     1         25,000
PULTE HOMES INC                       COM        745867 10 1    1,670       58,000SH    Other                                58,000
RELIANT ENERGY INC		      COM	 75952B 10 5      138       11,547SH	Sole                 11,547
SEACOR HOLDINGS INC                   COM        811904 10 1      459        5,591SH   Defined     1          5,591
SEACOR HOLDINGS INC                   COM        811904 10 1      433        5,280SH    Sole                  5,280
SPRINT NEXTEL CORP                  COM FON      852061 10 0    1,959       98,000SH   Defined     1         98,000
SPRINT NEXTEL CORP                  COM FON      852061 10 0    2,671      133,600SH    Other                               133,600
TOLL BROTHERS INC                     COM        889478 10 3      844       33,000SH    Other                                33,000
TYCO INTL LTD NEW                     COM        902124 10 6    3,575      130,000SH    Other                               130,000
UAL CORP                            COM NEW      902549 80 7      298        9,603SH   Defined   1,2,3        9,603
US BANCORP DEL                      COM NEW      902973 30 4      477       15,462SH    Other                                15,462
VIACOM INC NEW                       CL B        92553P 20 1    2,942       82,100SH    Other                                82,100
                                                             ----------
                                 REPORT TOTAL                $1,509,616
                                                             ==========