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

                                    FORM 13F

                              FORM 13F COVER PAGE


                  Report for the Quarter Ended - December 31, 2005



                          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     February 13, 2006
-------------------------------
Robert H. Ruffing
Vice President and Controller


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








                                 Page 1 of 4


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




Number of Other Included Managers:                         3
                                                      -----------

Form 13F Information Table Entry Total:                   121
                                                      -----------

Form 13F Information Table Value Total (thousands):   $ 1,358,550
                                                      -----------



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
       3.	 Unassigned	      Great American Life Insurance Company




































                                     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      105        6,521SH   Defined     1          6,521
AT&T INC		              COM 	 00206R 10 2	1,483       60,555SH   Defined     "         60,555
ALLIANCE RES PARTNER L P          UT LTD PART    01877R 10 8      484       13,000SH   Defined     "         13,000
ALPHA NATURAL RESOURCES INC           COM        02076X 10 2    5,062      263,500SH   Defined     "        263,500
ARCHER DANIELS MIDLAND CO             COM        039483 10 2    1,628       66,000SH   Defined     "         66,000
BOSTON SCIENTIFIC CORP                COM        101137 10 7    4,139      169,000SH   Defined     "        169,000
CBS CORP NEW                         CL B        124857 20 2    1,034       43,000SH   Defined     "         43,000
CV THERAPEUTICS INC                   COM        126667 10 4    1,855       75,000SH   Defined     "         75,000
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9    5,210      222,000SH   Defined     "        222,000
CITIGROUP INC                         COM        172967 10 1   16,743      345,000SH   Defined     "        345,000
COMCAST CORP NEW                     CL A        20030N 10 1      522       20,153SH   Defined     "         20,153
COMCAST CORP NEW                   CL A SPL      20030N 20 0    3,719      144,760SH   Defined     "        144,760
DISNEY WALT CO                    COM DISNEY     254687 10 6    6,544      273,000SH   Defined     "        273,000
DORAL FINL CORP                       COM        25811P 10 0      122       11,550SH   Defined     "         11,550
ENERGY EAST CORP                      COM        29266M 10 9      463       20,300SH   Defined     "         20,300
FEDERAL NATL MTG ASSN		      COM        313586 10 9    3,905       80,000SH   Defined     "         80,000
FIFTH THIRD BANCORP                   COM        316773 10 0    3,831      101,563SH   Defined     "        101,563
FIRST MARBLEHEAD CORP                 COM        320771 10 8    1,314       40,000SH   Defined     "         40,000
FLAGSTAR BANCORP INC                  COM        337930 10 1    2,376      165,000SH   Defined     "        165,000
FLEETWOOD ENTERPRISES INC             COM        339099 10 3      642       52,000SH   Defined     "         52,000
GENTEK INC                          COM NEW      37245X 20 3      447       25,000SH   Defined     "         25,000
GREAT AMERN FINL RES INC              COM        389915 10 9  765,149   38,565,995SH   Defined     "     38,565,995
INSTEEL INDUSTRIES INC                COM        45774W 10 8      558       33,700SH   Defined     "         33,700
JP MORGAN CHASE & CO                  COM        46625H 10 0    5,160      130,000SH   Defined     "        130,000
JOHNSON & JOHNSON                     COM        478160 10 4    1,202       20,000SH   Defined     "         20,000
MARSH SUPERMARKETS INC               CL B        571783 20 8    4,157      479,444SH   Defined     "        479,444
MARSH SUPERMARKETS INC               CL A        571783 30 7    5,058      577,358SH   Defined     "        577,358
MERCK & CO INC                        COM        589331 10 7    1,591       50,000SH   Defined	   "         50,000
MITTAL STEEL CO N V             NY REG SH CL A   60684P 10 1    3,254      123,568SH   Defined     "        123,568
NTL INC DEL                           COM        62940M 10 4   11,065      162,523SH   Defined     "        162,523
NATIONAL CITY CORP                    COM        635405 10 3   89,813    2,675,392SH   Defined     "      2,675,392
NATIONAL INTERSTATE CORP              COM        63654U 10 0  194,514   10,200,000SH   Defined     "     10,200,000
NEWS CORP                            CL A        65248E 10 4    1,944      125,000SH   Defined     "        125,000
NEWS CORP                            CL B        65248E 20 3    2,741      165,000SH   Defined     "        165,000
PEPCO HOLDINGS INC                    COM        713291 10 2      906       40,500SH   Defined     "         40,500
PFIZER INC                            COM        717081 10 3    9,678      415,000SH   Defined	   "        415,000
QWEST COMMUNICATIONS INTL IN          COM        749121 10 9      101       17,902SH   Defined     "         17,902
SARA LEE CORP                         COM        803111 10 3      945       50,000SH   Defined     "         50,000
SEACOR HOLDINGS INC                   COM        811904 10 1      236        3,463SH   Defined     "          3,463
SUNTERRA CORP                       COM NEW      86787D 20 8      924       65,000SH   Defined     "         65,000
TIME WARNER INC                       COM        887317 10 5      456       26,149SH   Defined     "         26,149
TORTOISE ENERGY CAP CORP              COM        89147U 10 0      574       25,800SH   Defined     "         25,800
TYCO INTL LTD NEW                     COM        902124 10 6    2,597       90,000SH   Defined     "         90,000
US BANCORP DEL                      COM NEW      902973 30 4    1,883       63,000SH   Defined     "         63,000
VIACOM INC                           CL B        92553P 20 1    1,769       43,000SH   Defined     "         43,000
ZENITH NATL INS CORP                  COM        989390 10 9    1,709       37,050SH   Defined     "         37,050






HOLDINGS OF GREAT AMERICAN LIFE INSURANCE COMPANY
-------------------------------------------------
ALLIANCE RES PARTNER L P          UT LTD PART    01877R 10 8    1,902       51,124SH   Defined   1,2,3       51,124
ALPHA NATURAL RESOURCES INC           COM        02076X 10 2    5,796      301,700SH   Defined     "        301,700
ARCHER DANIELS MIDLAND CO             COM        039483 10 2    1,628       66,000SH   Defined     "         66,000
BOSTON SCIENTIFIC CORP                COM        101137 10 7    4,212      172,000SH   Defined     "        172,000
CBS CORP NEW                         CL B        124857 20 2    2,297       95,500SH   Defined     "         95,500
CV THERAPEUTICS INC                   COM        126667 10 4    2,275       92,000SH   Defined     "         92,000
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9    8,027      342,000SH   Defined     "        342,000
CITIGROUP INC                         COM        172967 10 1    5,338      110,000SH   Defined     "        110,000
COMCAST CORP NEW                   CL A SPL      20030N 20 0    9,480      369,000SH   Defined     "        369,000
DISNEY WALT CO                    COM DISNEY     254687 10 6    6,544      273,000SH   Defined     "        273,000
DORAL FINL CORP                       COM        25811P 10 0      164       15,440SH   Defined     "         15,440
FEDERAL NATL MTG ASSN	              COM        313586 10 9    3,905       80,000SH   Defined     "         80,000
FIFTH THIRD BANCORP                   COM        316773 10 0    3,776      100,100SH   Defined     "        100,100
FIRST MARBLEHEAD CORP                 COM        320771 10 8    1,397       42,500SH   Defined     "         42,500
FLAGSTAR BANCORP INC                  COM        337930 10 1    2,376      165,000SH   Defined     "        165,000
FLEETWOOD ENTERPRISES INC             COM        339099 10 3      963       78,000SH   Defined     "         78,000
GENTEK INC                          COM NEW      37245X 20 3      715       40,000SH   Defined     "         40,000
INSTEEL INDUSTRIES INC                COM        45774W 10 8    5,603      338,134SH   Defined     "        338,134
JP MORGAN CHASE & CO                  COM        46625H 10 0      794       20,000SH   Defined     "         20,000
JOHNSON & JOHNSON                     COM        478160 10 4    1,202       20,000SH   Defined     "         20,000
MITTAL STEEL CO N V             NY REG SH CL A   60684P 10 1    3,474      131,925SH   Defined     "        131,925
NRG ENERGY INC                      COM NEW      629377 50 8    1,226       26,014SH   Defined     "         26,014
NTL INC DEL                           COM        62940M 10 4   22,607      332,065SH   Defined     "        332,065
NEWS CORP                            CL A        65248E 10 4    1,944      125,000SH   Defined     "        125,000
NEWS CORP                            CL B        65248E 20 3    3,073      185,000SH   Defined     "        185,000
NUVEEN FLTNG RTE INCM OPP FD        COM SHS      6706EN 10 0      978       78,300SH   Defined     "         78,300
PFIZER INC                            COM        717081 10 3    6,646      285,000SH   Defined     "        285,000
PIMCO HIGH INCOME FD                COM SHS      722014 10 7    2,523      172,800SH   Defined     "        172,800
SEACOR HOLDINGS INC                   COM        811904 10 1      721       10,585SH   Defined     "         10,585
SUNTERRA CORP                       COM NEW      86787D 20 8    2,133      150,000SH   Defined     "        150,000
TORTOISE ENERGY CAP CORP              COM        89147U 10 0    2,680      120,500SH   Defined     "        120,500
TYCO INTL LTD NEW                     COM        902124 10 6    5,916      205,000SH   Defined     "        205,000
US BANCORP DEL                      COM NEW      902973 30 4    1,853       62,000SH   Defined     "         62,000
VIACOM INC NEW                       CL B        92553P 20 1    3,930       95,500SH   Defined     "         95,500





HOLDINGS OF OTHER ENTITIES
EACH HAVING LESS THAN
$100 MILLION IN 13F SECURITIES
------------------------------

GLOBAL CROSSING LTD                 SHS NEW      G3921A 17 5      228       14,224SH   Defined   1,2,3       14,224
AT&T INC			      COM        00206R 10 2      490       20,000SH   Defined     1         20,000
ALLIANCE RES PARTNER L P          UT LTD PART    01877R 10 8      744       20,000SH    Other                                20,000
ALPHA NATURAL RESOURCES INC           COM        02076X 10 2      768       40,000SH   Defined     1         40,000
ALPHA NATURAL RESOURCES INC           COM        02076X 10 2    3,035      158,000SH    Other                               158,000
ARCHER DANIELS MIDLAND CO             COM        039483 10 2    1,060       43,000SH    Other                                43,000
BOSTON SCIENTIFIC CORP                COM        101137 10 7    3,747      153,000SH    Other                               153,000
BRISTOL MYERS SQUIBB CO               COM        110122 10 8      230       10,000SH   Defined     1         10,000
BRISTOL MYERS SQUIBB CO               COM        110122 10 8      230       10,000SH    Other                                10,000
CBS CORP NEW                         CL B        124857 20 2    1,373       57,100SH    Other                                57,100
CV THERAPEUTICS INC                   COM        126667 10 4      495       20,000SH    Other                                20,000
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9    3,051      130,000SH    Other                               130,000
CITIGROUP INC                         COM        172967 10 1    3,640       75,000SH    Other                                75,000
COMCAST CORP NEW                   CL A SPL      20030N 20 0    1,413       55,000SH    Other                                55,000
DISNEY WALT CO                    COM DISNEY     254687 10 6    4,434      185,000SH    Other                               185,000
DORAL FINL CORP                       COM        25811P 10 0       98        9,210SH   Defined   1,2,3        9,210
ENERGY EAST CORP                      COM        29266M 10 9      456       20,000SH   Defined     1         20,000
FEDERAL NATL MTG ASSN	              COM        313586 10 9    2,441       50,000SH    Other                                50,000
FIFTH THIRD BANCORP                   COM        316773 10 0    1,697       45,000SH    Other                                45,000
JOHN HANCOCK BK &THRIFT OPP       SH BEN INT     409735 10 7      625       67,200SH    Other                                67,200
HOST MARRIOTT CORP NEW                COM        44107P 10 4      192       10,110SH    Other                                10,110
JP MORGAN CHASE & CO                  COM        46625H 10 0    1,985       50,000SH    Other                                50,000
JOHNSON & JOHNSON                     COM        478160 10 4    1,202       20,000SH    Other                                20,000
LAIDLAW INTL INC                      COM        50730R 10 2    1,592       68,543SH   Defined   1,2,3       68,543
MERCK & CO INC	                      COM        589331 10 7      318       10,000SH   Defined     1         10,000
MITTAL STEEL CO N V             NY REG SH CL A   60684P 10 1    1,580       60,000SH    Other                                60,000
NRG ENERGY INC                      COM NEW      629377 50 8      820       17,397SH   Defined   1,2,3       17,397
NTL INC DEL                           COM        62940M 10 4    5,080       74,618SH    Other                                74,618
NATIONAL CITY CORP                    COM        635405 10 3    2,563       76,359SH   Defined     1         76,359
NATIONAL CITY CORP                    COM        635405 10 3      433       12,903SH    Other                                12,903
NEWS CORP                            CL A        65248E 10 4      622       40,000SH    Other                                40,000
NEWS CORP                            CL B        65248E 20 3      332       20,000SH    Other                                20,000
PEPCO HOLDINGS INC                    COM        713291 10 2      224       10,000SH   Defined     1         10,000
PFIZER INC                            COM        717081 10 3    1,283       55,000SH   Defined     "         55,000
PFIZER INC                            COM        717081 10 3    3,381      145,000SH    Other                               145,000
SANTANDER BANCORP                     COM        802809 10 3      836       33,275SH   Defined   1,2,3       33,275
SEACOR HOLDINGS INC                   COM        811904 10 1      381        5,591SH   Defined     1          5,591
SEACOR HOLDINGS INC                   COM        811904 10 1      360        5,280SH    Sole                  5,280
TYCO INTL LTD NEW                     COM        902124 10 6    3,752      130,000SH    Other                               130,000
US BANCORP DEL                      COM NEW      902973 30 4    1,299       43,462SH    Other                                43,462
VIACOM INC NEW                       CL B        92553P 20 1    2,350       57,100SH    Other                                57,100

                                                             ----------
                                 REPORT TOTAL                $1,358,550
                                                             ==========