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 ==========