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

                                    FORM 13F

                              FORM 13F COVER PAGE


                 Report for the Quarter Ended March 31, 2011



                          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         May 11, 2011
-------------------------------
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: 1 ----------- Form 13F Information Table Entry Total: 96 ----------- Form 13F Information Table Value Total (thousands): $586,301 ----------- 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

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 -------------------------------------------- ABBOTT LABS COM 002824 10 0 4,660 95,000SH Defined 1 95,000 AIR PRODS & CHEMS INC COM 009158 10 6 902 10,000SH Defined " 10,000 AMERICAN RAILCAR INDS INC COM 02916P 10 3 1,697 68,000SH Defined " 68,000 ANWORTH MORTGAGE ASSET CP COM 037347 10 1 886 125,000SH Defined " 125,000 BANK OF AMERICA CORPORATION COM 060505 10 4 1,441 108,120SH Defined " 108,120 CALAMP CORP COM 128126 10 9 468 139,750SH Defined " 139,750 CAPITOL FED FINL INC COM 14057J 10 1 406 36,000SH Defined " 36,000 CHEVRON CORP NEW COM 166764 10 0 13,576 126,300SH Defined " 126,300 CITIGROUP INC COM 172967 10 1 2,652 600,000SH Defined " 600,000 COCA COLA CO COM 191216 10 0 11,444 172,500SH Defined " 172,500 COMCAST CORP NEW CL A 20030N 10 1 9,975 403,500SH Defined " 403,500 DELTA AIR LINES INC DEL COM NEW 247361 70 2 397 40,522SH Defined " 40,522 DISH NETWORK CORP CL A 25470M 10 9 918 37,675SH Defined " 37,675 ECHOSTAR CORP CL A 278768 10 6 938 24,786SH Defined " 24,786 ELLINGTON FINANCIAL LLC COM 288522 30 3 6,915 300,000SH Defined " 300,000 FLAGSTAR BANCORP INC COM NEW 337930 50 7 25 16,500SH Defined " 16,500 FULL HOUSE RESORTS INC COM 359678 10 9 135 35,331SH Defined " 35,331 HEINZ H J CO COM 423074 10 3 10,142 207,750SH Defined " 207,750 HEWLETT PACKARD CO COM 428236 10 3 4,916 120,000SH Defined " 120,000 INSTEEL INDUSTRIES INC COM 45774W 10 8 348 24,609SH Defined " 24,609 INTEL CORP COM 458140 10 0 10,675 529,000SH Defined " 529,000 INTERNATIONAL BUSINESS MACHS COM 459200 10 1 12,353 75,750SH Defined " 75,750 JPMORGAN CHASE & CO COM 46625H 10 0 5,763 125,000SH Defined " 125,000 JOHNSON & JOHNSON COM 478160 10 4 13,094 221,000SH Defined " 221,000 KELLOGG CO COM 487836 10 8 11,814 218,850SH Defined " 218,850 KIMBERLY CLARK CORP COM 494368 10 3 13,054 200,000SH Defined " 200,000 KRAFT FOODS INC CL A 50075N 10 4 14,841 473,250SH Defined " 473,250 LOCKHEED MARTIN CORP COM 539830 10 9 6,070 75,500SH Defined " 75,500 MYR GROUP INC DEL COM 55405W 10 4 9,200 384,615SH Defined " 384,615 MCDONALDS CORP COM 580135 10 1 12,517 164,500SH Defined " 164,500 MERCK & CO INC NEW COM 58933Y 10 5 8,286 251,000SH Defined " 251,000 MICROSOFT CORP COM 594918 10 4 11,971 471,500SH Defined " 471,500 MOTRICITY INC COM 620107 10 2 850 56,525SH Defined " 56,525 NATIONAL INTERSTATE CORP COM 63654U 10 0 212,670 10,200,000SH Defined " 10,200,000 O CHARLEYS INC COM 670823 10 3 176 29,500SH Defined " 29,500 OMEROS CORP COM 682143 10 2 816 102,040SH Defined " 102,040 PATTERSON UTI ENERGY INC COM 703481 10 1 1,176 40,000SH Defined " 40,000 PEOPLES UNITED FINANCIAL INC COM 712704 10 5 2,013 160,000SH Defined " 160,000 PEPSICO INC COM 713448 10 8 11,597 180,050SH Defined " 180,050 PFIZER INC COM 717081 10 3 8,490 418,000SH Defined " 418,000 RAYTHEON CO COM NEW 755111 50 7 3,841 75,500SH Defined " 75,500 TARGET CORP COM 87612E 10 6 7,502 150,000SH Defined " 150,000 3M CO COM 88579Y 10 1 10,893 116,500SH Defined " 116,500 TIME WARNER INC COM NEW 887317 30 3 311 8,716SH Defined " 8,716 TORTOISE ENERGY CAP CORP COM 89147U 10 0 728 25,800SH Defined " 25,800 VIRGIN MEDIA INC COM 92769L 10 1 20,504 737,807SH Defined " 737,807 WAL MART STORES INC COM 931142 10 3 2,603 50,000SH Defined " 50,000 WALGREEN CO COM 931422 10 9 9,895 246,500SH Defined " 246,500 WELLS FARGO & CO NEW COM 949746 10 1 5,708 180,000SH Defined " 180,000

HOLDINGS OF OTHER ENTITIES EACH HAVING LESS THAN $100 MILLION IN 13F SECURITIES ------------------------------ ACE LTD SHS H0023R 10 5 4,076 63,000SH Sole 63,000 AT&T INC COM 00206R 10 2 223 7,300SH Defined 1 7,300 ABBOTT LABS COM 002824 10 0 211 4,300SH Defined " 4,300 AMERICAN RAILCAR INDS INC COM 02916P 10 3 1,687 67,581SH Defined 67,581 ANWORTH MORTGAGE ASSET CP COM 037347 10 1 886 125,000SH Defined 125,000 BANK OF AMERICA CORPORATION COM 060505 10 4 4,312 323,480SH Defined 1 323,480 BERKLEY W R CORP COM 084423 10 2 3,769 117,000SH Sole 117,000 BLDRS INDEX FDS TR EMER MK 50 ADR 09348R 30 0 1,205 24,828SH Defined 1 24,828 BRISTOL MYERS SQUIBB CO COM 110122 10 8 209 7,900SH Defined " 7,900 CALAMP CORP COM 128126 10 9 472 140,750SH Defined 140,750 CHUBB CORP COM 171232 10 1 4,353 71,000SH Sole 71,000 DPL INC COM 233293 10 9 211 7,700SH Defined 1 7,700 DELTA AIR LINES INC DEL COM NEW 247361 70 2 390 39,755SH Defined " 39,755 DEX ONE CORP COM 25212W 10 0 52 10,772SH Defined 10,772 DISH NETWORK CORP CL A 25470M 10 9 1,377 56,512SH Defined 56,512 EATON VANCE TAX MNG GBL DV E COM 27829F 10 8 423 40,000SH Defined 1 40,000 ECHOSTAR CORP CL A 278768 10 6 1,407 37,179SH Defined 37,179 ELLINGTON FINANCIAL LLC COM 288522 30 3 10,373 450,000SH Defined 450,000 FLAGSTAR BANCORP INC COM NEW 337930 50 7 25 16,500SH Defined 16,500 FULL HOUSE RESORTS INC COM 359678 10 9 120 31,617SH Defined 31,617 INSTEEL INDUSTRIES INC COM 45774W 10 8 314 22,216SH Defined 22,216 ISHARES TR MSCI EAFE INDEX 464287 46 5 2,186 36,379SH Defined 1 36,379 ISHARES TR s&P MIDSAP 400 462487 50 7 464 4,696SH Defined " 4,696 JOHNSON & JOHNSON COM 478160 10 4 207 3,500SH Defined " 3,500 KEYCORP NEW COM 493267 10 8 464 52,222SH Defined " 52,222 KIMBERLY CLARK CORP COM 494368 10 3 206 3,150SH Defined " 3,150 LEGGETT & PLATT INC COM 524660 10 7 208 8,500SH Defined " 8,500 LILLY ELI & CO COM 532457 10 8 211 6,000SH Defined " 6,000 LOCKHEED MARTIN CORP COM 539830 10 9 205 2,550SH Defined " 2,550 MANAGED HIGH YIELD PLUS FD I COM 561911 10 8 23 10,000SH Defined " 10,000 MCDONALDS CORP COM 580135 10 1 209 2,750SH Defined " 2,750 MERCK & CO INC NEW COM 58933Y 10 5 660 20,000SH Defined 20,000 MOTRICITY INC COM 620107 10 2 1,274 84,787SH Defined 84,787 O CHARLEYS INC COM 670823 10 3 267 44,654SH Defined 44,654 OMEROS CORP COM 682143 10 2 1,224 153,061SH Defined 153,061 PATTERSON UTI ENERGY INC COM 703481 10 1 1,176 40,000SH Defined 40,000 PFIZER INC COM 717081 10 3 406 20,000SH Defined 20,000 POWERSHARES ETF TRUST DYNAMIC MKT PT 73935X 10 4 1,188 25,305SH Defined 1 25,305 POWERSHARES ETF TRUST HI YLD EQ DVDN 73935X 30 2 210 23,661SH Defined " 23,661 PROCTER & GAMBLE CO COM 742718 10 9 203 3,300SH Defined " 3,300 REVENUESHARES EFT TR SMALL CAP FD 761396 30 8 311 8,934SH Defined " 8,934 SPDR S&P 500 ETF TR TR UNIT 78462F 10 3 5,161 38,926SH Defined " 38,926 SELECT SECTOR SPDR TR SBI MATERIALS 81369Y 10 0 305 7,628SH Defined " 7,628 SELECT SECTOR SPDR TR SBI CONS STPLS 81369Y 30 8 301 10,052SH Defined " 10,052 TORTOISE ENERGY CAP CORP COM 89147U 10 0 2,424 85,900SH Defined 85,900 VANGUARD INDEX FDS REIT EFT 922908 55 3 646 11,040SH Defined 1 11,040 VIRGIN MEDIA INC COM 92769L 10 1 27,815 1,000,888SH Defined 1,000,888 ---------- REPORT TOTAL $586,301 ==========