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

                                    FORM 13F

                              FORM 13F COVER PAGE


                  Report for the Quarter Ended March 31, 2008



                          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 12, 2008
-------------------------------
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:                         2
                                                      -----------

Form 13F Information Table Entry Total:                   195
                                                      -----------

Form 13F Information Table Value Total (thousands):     $729,290
                                                      -----------



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 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
--------------------------------------------
                                                                                                 
COVIDIEN LTD                          COM        G2552X 10 8     2,185      49,375SH   Defined     1         49,375
GLOBAL CROSSING LTD		    SHS NEW      G3921A 17 5        99       6,521SH   Defined     "          6,521
TYCO INTL LTD BERMUDA                 SHS        G9143X 20 8     2,175      49,375SH   Defined     "         49,375
TYCO ELECTRONICS LTD                COM NEW      G9144P 10 5     1,695      49,375SH   Defined     "         49,375
AMR CORP                              COM        001765 10 6     1,533     170,000SH   Defined     "        170,000
ALASKA AIR GROUP INC                  COM        011659 10 9     1,811      92,300SH   Defined     "         92,300
ALLIANCE RES PARTNER L P          UT LTD PART    01877R 10 8       455      13,000SH   Defined     "         13,000
AMERICAN COMMERCIAL LINES           COM NEW      025195 20 7     4,440     281,000SH   Defined     "        281,000
AMERICAN RAILCAR INDS INC             COM        02916P 10 3     1,881      92,500SH   Defined     "         92,500
AMGEN INC                             COM        031162 10 0     1,462      35,000SH   Defined     "         35,000
ANWORTH MORTGAGE ASSET CP             COM        037347 10 1       766     125,000SH   Defined     "        125,000
BANK OF AMERICA CORPORATION           COM        060505 10 4    14,785     390,000SH   Defined     "        390,000
BLACK BOX CORP DEL                    COM        091826 10 7     3,435     111,350SH   Defined     "        111,350
BORDERS GROUP INC                     COM        099709 10 7        65      11,000SH   Defined     "         11,000
BOSTON SCIENTIFIC CORP                COM        101137 10 7     3,620     281,250SH   Defined     "        281,250
BURLINGTON NORTHN SANTA FE C          COM        12189T 10 4    13,234     143,500SH   Defined     "        143,500
CBS CORP NEW                         CL B        124857 20 2       949      43,000SH   Defined     "         43,000
CV THERAPEUTICS INC                   COM        126667 10 4       563      79,000SH   Defined     "         79,000
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9     1,755      81,900SH   Defined     "         81,900
CALAMP CORP                           COM        128126 10 9       380     139,750SH   Defined     "        139,750
CITADEL BROADCASTING CORP             COM        17285T 10 6       455     274,053SH   Defined     "        274,053
CINTAS CORP                           COM        172908 10 5     3,924     137,500SH   Defined     "        137,500
CITIGROUP INC                         COM        172967 10 1       536      25,000SH   Defined     "         25,000
CLEARWIRE CORP                       CL A        185385 30 9       592      40,000SH   Defined     "         40,000
COLONIAL BANCGROUP INC                COM        195493 30 9     3,178     330,000SH   Defined     "        330,000
COMCAST CORP NEW                     CL A        20030N 10 1     7,349     380,000SH   Defined     "        380,000
COMPRASS DIVERSIFIED HOLDING       SH BEN INT    20451Q 10 4     3,156     240,000SH   Defined     "        240,000
COMPUCREDIT CORP                      COM        20478N 10 0       196      22,136SH   Defined     "         22,136
DELTA AIR LINES INC DEL             COM NEW      247361 70 2     2,487     289,149SH   Defined     "        289,149
DISNEY WALT CO                    COM DISNEY     254687 10 6     5,743     183,000SH   Defined     "        183,000
EMBARQ CORP                           COM        29078E 10 5       446      11,130SH   Defined     "         11,130
ENERGY EAST CORP                      COM        29266M 10 9       490      20,300SH   Defined     "         20,300
FEDERAL NATL MTG ASSN                 COM        313586 10 9     1,026      39,000SH   Defined     "         39,000
FIFTH THIRD BANCORP                   COM        316773 10 0     2,221     106,151SH   Defined     "        106,151
FIRST HORIZON NATL CORP               COM        320517 10 5     3,783     270,000SH   Defined     "        270,000
FLAGSTAR BANCORP INC                  COM        337930 10 1     1,191     165,000SH   Defined     "        165,000
FLEETWOOD ENTERPRISES INC             COM        339099 10 3        77      16,700SH   Defined     "         16,700
GLOBALSTAR INC                        COM        378973 40 8        43       4,134SH   Defined     "          4,134
HOME DEPOT INC                        COM        437076 10 2     4,517     161,500SH   Defined     "        161,500
INFINERA CORPORATION                  COM        45667G 10 3     1,730     144,159SH   Defined     "        144,159
INSTEEL INDUSTRIES INC                COM        45774W 10 8       372      32,000SH   Defined     "         32,000
JOHNSON & JOHNSON                     COM        478160 10 4    11,839     182,500SH   Defined     "        182,500
K12 INC                               COM        48273U 10 2     3,994     203,275SH   Defined     "        203,275
KOHLS CORP                            COM        500255 10 4     8,471     197,500SH   Defined     "        197,500
LANDRYS RESTAURANTS INC               COM        51508L 10 3     2,898     178,000SH   Defined     "        178,000
LOWES COS INC                         COM        548661 10 7     2,156      94,000SH   Defined     "         94,000
MACYS INC                             COM        55616P 10 4     4,519     195,949SH   Defined     "        195,949
NATIONAL CITY CORP                    COM        635405 10 3    24,929   2,505,392SH   Defined     "      2,505,392
NATIONAL INTERSTATE CORP              COM        63654U 10 0   238,170  10,200,000SH   Defined     "     10,200,000
NEWS CORP                            CL A        65248E 10 4     2,344     125,000SH   Defined     "        125,000
NEWS CORP                            CL B        65248E 20 3       876      46,000SH   Defined     "         46,000
NEWSTAR FINANCIAL INC                 COM        65251F 10 5       120      23,200SH   Defined     "         23,200
NOVA BIOSOURCE FUELS INC              COM        65488W 10 3       449     297,250SH   Defined     "        297,250
NORTHWEST AIRLS CORP                  COM        667280 40 8       629      70,000SH   Defined     "         70,000
O CHARLEYS INC                        COM        670823 10 3       973      84,500SH   Defined     "         84,500
PANERA BREAD CO                      CL A        69840W 10 8     6,765     161,500SH   Defined     "        161,500
PATTERSON UTI ENERGY INC              COM        703481 10 1     1,047      40,000SH   Defined     "         40,000
PEPCO HOLDINGS INC                    COM        713291 10 2     1,001      40,500SH   Defined     "         40,500
PFIZER INC                            COM        717081 10 3     8,686     415,000SH   Defined     "        415,000
PRUDENTIAL FINL INC                   COM        744320 10 2     5,086      65,000SH   Defined     "         65,000
PULTE HOMES INC                       COM        745867 10 1       255      17,500SH   Defined     "         17,500
REDDY ICE HLDGS INC                   COM        75734R 10 5       670      51,400SH   Defined     "         51,400
SPDR TR                            UNIT SER 1    78462F 10 3     5,279      40,000SH   Defined     "         40,000
SARA LEE CORP                         COM        803111 10 3       699      50,000SH   Defined     "         50,000
SEACOR HOLDINGS INC                   COM        811904 10 1       296       3,463SH   Defined     "          3,463
SIRTRIS PHARMACEUTICALS INC           COM        82968A 10 5     1,173      90,300SH   Defined     "         90,300
TIME WARNER INC                       COM        887317 10 5       367      26,149SH   Defined     "         26,149
TORTOISE ENERGY CAP CORP              COM        89147U 10 0       652      25,800SH   Defined     "         25,800
TRINITY INDS INC                      COM        896522 10 9     6,529     245,000SH   Defined     "        245,000
UAL CORP                            COM NEW      902549 80 7       496      23,051SH   Defined     "         23,051
VIRGIN MEDIA INC                      COM        92769L 10 1    10,381     737,807SH   Defined     "        737,807
WACHOVIA CORP NEW                     COM        929903 10 2    14,499     537,000SH   Defined     "        537,000
WATTS WATER TECHNOLOGIES INC         CL A        942749 10 2       841      30,000SH   Defined     "         30,000
ZENITH NATL INS CORP                  COM        989390 10 9     1,329      37,050SH   Defined     "         37,050





HOLDINGS OF GREAT AMERICAN
 LIFE INSURANCE COMPANY
----------------------------
COVIDIEN LTD                          COM        G2552X 10 8     3,457      78,125SH   Defined     2         78,125
TYCO INTL LTD BERMUDA                 SHS        G9143X 20 8     3,441      78,125SH   Defined     "         78,125
TYCO ELECTRONICS LTD                COM NEW      G9144P 10 5     2,681      78,125SH   Defined     "         78,125
ALASKA AIR GROUP INC                  COM        011659 10 9     2,580     131,500SH   Defined     "        131,500
ALLIANCE RES PARTNER L P          UT LTD PART    01877R 10 8     1,789      51,124SH   Defined     "         51,124
AMERICAN COMMERCIAL LINES           COM NEW      025195 20 7     4,756     301,000SH   Defined     "        301,000
AMERICAN RAILCAR INDS INC             COM        02916P 10 3       856      42,081SH   Defined     "         42,081
AMGEN INC                             COM        031162 10 0     1,462      35,000SH   Defined     "         35,000
ANWORTH MORTGAGE ASSET CP             COM        037347 10 1       766     125,000SH   Defined     "        125,000
BANK OF AMERICA CORPORATION           COM        060505 10 4     3,791     100,000SH   Defined     "        100,000
BLACK BOX CORP DEL                    COM        091826 10 7     3,435     111,350SH   Defined     "        111,350
BORDERS GROUP INC                     COM        099709 10 7        65      11,000SH   Defined     "         11,000
BOSTON SCIENTIFIC CORP                COM        101137 10 7     3,980     309,250SH   Defined     "        309,250
BURLINGTON NORTHN SANTA FE C          COM        12189T 10 4        37         400SH   Defined     "            400
CBS CORP NEW                         CL B        124857 20 2     2,109      95,500SH   Defined     "         95,500
CV THERAPEUTICS INC                   COM        126667 10 4       692      97,000SH   Defined     "         97,000
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9     2,694     125,700SH   Defined     "        125,700
CALAMP CORP                           COM        128126 10 9       383     140,750SH   Defined     "        140,750
CITADEL BROADCASTING CORP             COM        17285T 10 6       454     273,323SH   Defined     "        273,323
CINTAS CORP                           COM        172908 10 5     3,924     137,500SH   Defined     "        137,500
CITIGROUP INC                         COM        172967 10 1       536      25,000SH   Defined     "         25,000
CLEARWIRE CORP                       CL A        185385 30 9       592      40,000SH   Defined     "         40,000
COLONIAL BANCGROUP INC                COM        195493 30 9     1,156     120,000SH   Defined     "        120,000
COMCAST CORP NEW                     CL A        20030N 10 1     9,960     515,000SH   Defined     "        515,000
COMPRASS DIVERSIFIED HOLDING       SH BEN INT    20451Q 10 4     3,181     241,900SH   Defined     "        241,900
COMPUCREDIT CORP                      COM        20478N 10 0        77       8,672SH   Defined     "          8,672
DELTA AIR LINES INC DEL             COM NEW      247361 70 2     2,150     249,945SH   Defined     "        249,945
DISNEY WALT CO                    COM DISNEY     254687 10 6     5,743     183,000SH   Defined     "        183,000
FEDERAL HOME LN MTG CORP              COM        313400 30 1       836      33,000SH   Defined     "         33,000
FEDERAL NATL MTG ASSN                 COM        313586 10 9     1,026      39,000SH   Defined     "         39,000
FIFTH THIRD BANCORP                   COM        316773 10 0     1,069      51,100SH   Defined     "         51,100
FIRST HORIZON NATL CORP               COM        320517 10 5       630      45,000SH   Defined     "         45,000
FLAGSTAR BANCORP INC                  COM        337930 10 1     1,191     165,000SH   Defined     "        165,000
FLEETWOOD ENTERPRISES INC             COM        339099 10 3       115      25,000SH   Defined     "         25,000
GLOBALSTAR INC                        COM        378973 40 8       128      12,402SH   Defined     "         12,402
HOME DEPOT INC                        COM        437076 10 2     4,797     171,500SH   Defined     "        171,500
INFINERA CORPORATION                  COM        45667G 10 3     2,585     215,388SH   Defined     "        215,388
INSTEEL INDUSTRIES INC                COM        45774W 10 8       375      32,216SH   Defined     "         32,216
K12 INC                               COM        48273U 10 2     3,994     203,275SH   Defined     "        203,275
KOHLS CORP                            COM        500255 10 4     6,755     157,500SH   Defined     "        157,500
LANDRYS RESTAURANTS INC               COM        51508L 10 3     2,903     178,300SH   Defined     "        178,300
LOWES COS INC                         COM        548661 10 7     3,781     164,804SH   Defined     "        164,804
MACYS INC                             COM        55616P 10 4     2,767     120,000SH   Defined     "        120,000
NRG ENERGY INC                      COM NEW      629377 50 8     2,080      53,350SH   Defined     "         53,350
NEWS CORP                            CL A        65248E 10 4     2,344     125,000SH   Defined     "        125,000
NEWS CORP                            CL B        65248E 20 3     1,219      64,000SH   Defined     "         64,000
NEWSTAR FINANCIAL INC                 COM        65251F 10 5       188      36,300SH   Defined     "         36,300
NOVA BIOSOURCE FUELS INC              COM        65488W 10 3       450     297,750SH   Defined     "        297,750
NUVEEN FLTNG RTE INCM OPP FD        COM SHS      6706EN 10 0       801      78,300SH   Defined     "         78,300
O CHARLEYS INC                        COM        670823 10 3     1,789     155,256SH   Defined     "        155,256
PANERA BREAD CO                      CL A        69840W 10 8     5,370     128,200SH   Defined     "        128,200
PATTERSON UTI ENERGY INC              COM        703481 10 1     1,047      40,000SH   Defined     "         40,000
PFIZER INC                            COM        717081 10 3     5,965     285,000SH   Defined     "        285,000
PIMCO HIGH INCOME FD                COM SHS      722014 10 7     1,439     122,800SH   Defined     "        122,800
PRUDENTIAL FINL INC                   COM        744320 10 2     7,043      90,000SH   Defined     "         90,000
PULTE HOMES INC                       COM        745867 10 1       546      37,500SH   Defined     "         37,500
REDDY ICE HLDGS INC                   COM        75734R 10 5       673      51,650SH   Defined     "         51,650
SEACOR HOLDINGS INC                   COM        811904 10 1       904      10,585SH   Defined     "         10,585
SIRTRIS PHARMACEUTICALS INC           COM        82968A 10 5     1,181      90,900SH   Defined     "         90,900
TORTOISE ENERGY CAP CORP              COM        89147U 10 0     2,171      85,900SH   Defined     "         85,900
TRINITY INDS INC                      COM        896522 10 9     6,529     245,000SH   Defined     "        245,000
UAL CORP                            COM NEW      902549 80 7     1,137      52,798SH   Defined     "         52,798
VIRGIN MEDIA INC                      COM        92769L 10 1     6,790     482,588SH   Defined     "        482,588
WACHOVIA CORP NEW                     COM        929903 10 2     4,266     158,000SH   Defined     "        158,000
WATTS WATER TECHNOLOGIES INC         CL A        942749 10 2     5,149     183,700SH   Defined     "        183,700





HOLDINGS OF OTHER ENTITIES
EACH HAVING LESS THAN
$100 MILLION IN 13F SECURITIES
------------------------------
ACE LTD                               ORD        G0070K 10 3     3,469      63,000SH    Sole                 63,000
GLOBAL CROSSING LTD                 SHS NEW      G3921A 17 5       216      14,224SH   Defined     2         14,224
AMR CORP                              COM        001765 10 6     2,120     235,000SH   Defined     "        235,000
ALASKA AIR GROUP INC                  COM        011659 10 9       659      33,600SH   Defined     1         33,600
AMERICAN COMMERCIAL LINES           COM NEW      025195 20 7       632      40,000SH   Defined     2         40,000
AMERICAN RAILCAR INDS INC             COM        02916P 10 3     1,017      50,000SH   Defined     "         50,000
BANK OF AMERICA CORPORATION           COM        060505 10 4     3,412      90,000SH   Defined               90,000
BERKLEY W R CORP                      COM        084423 10 2     3,240     117,000SH    Sole                117,000
BOSTON SCIENTIFIC CORP                COM        101137 10 7       322      25,000SH   Defined               25,000
BRISTOL MYERS SQUIBB CO               COM        110122 10 8       213      10,000SH   Defined     1         10,000
CHUBB CORP                            COM        171232 10 1     3,513      71,000SH    Sole                 71,000
CITIGROUP INC                         COM        172967 10 1       793      37,000SH   Defined     1         37,000
COLONIAL BANCGROUP INC                COM        195493 30 9     1,445     150,000SH   Defined              150,000
COMCAST CORP NEW                     CL A        20030N 10 1    14,409     745,000SH   Defined     2        745,000
COMPUCREDIT CORP                      COM        20478N 10 0       133      15,000SH   Defined     "         15,000
DELTA AIR LINES INC DEL             COM NEW      247361 70 2       862     100,233SH   Defined    1,2       100,233
EATON VANCE TAX MNG GBL DV E          COM        27829F 10 8       471      30,000SH   Defined     1         30,000
EMBARQ CORP                           COM        29078E 10 5        30         750SH   Defined                  750
ENERGY EAST CORP                      COM        29266M 10 9       482      20,000SH   Defined               20,000
FEDERAL HOME LN MTG CORP              COM        313400 30 1       836      33,000SH   Defined               33,000
FIRST HORIZON NATL CORP               COM        320517 10 5       911      65,000SH   Defined               65,000
ING GLOBAL EQTY DIV & PREM O          COM        45684E 10 7       166      10,000SH   Defined     1         10,000
ISHARES TR                       MSCI EAFE IDX   464287 46 5     3,092      43,000SH   Defined     "         43,000
ISHARES TR                      DJ US TELECOMM   464287 71 3       223       9,550SH   Defined     "          9,550
ISHARES TR                      DJ US TECH SEC   464287 72 1     1,076      20,500SH   Defined     "         20,500
JOHNSON & JOHNSON                     COM        478160 10 4     1,135      17,500SH   Defined               17,500
LOWES COS INC                         COM        548661 10 7     1,262      55,000SH   Defined               55,000
MANAGED HIGH YIELD PLUS FD I          COM        561911 10 8        33      10,000SH   Defined     1         10,000
METROPCS COMMUNICATIONS INC           COM        591708 10 2     1,700     100,000SH   Defined              100,000
NRG ENERGY INC                      COM NEW      629377 50 8     1,391      35,678SH   Defined     2         35,678
NATIONAL CITY CORP                    COM        635405 10 3       760      76,359SH   Defined               76,359
NORTHWEST AIRLS CORP                  COM        667280 40 8       450      50,000SH   Defined               50,000
O CHARLEYS INC                        COM        670823 10 3       803      69,698SH   Defined               69,698
PEPCO HOLDINGS INC                    COM        713291 10 2       247      10,000SH   Defined     1         10,000
PFIZER INC                            COM        717081 10 3     1,151      55,000SH   Defined               55,000
PHILADELPHIA CONS HLDG CORP           COM        717528 10 3     3,027      94,000SH    Sole                 94,000
POWERSHARES ETF TRUST           DYNAMIC MKT PT   73935X 10 4     1,124      24,400SH   Defined     1         24,400
POWERSHARES ETF TRUST           HI YLD EQ DVDN   73935X 30 2       254      21,300SH   Defined     "         21,300
PRUDENTIAL FINL INC                   COM        744320 10 2     6,652      85,000SH   Defined     2         85,000
PULTE HOMES INC                       COM        745867 10 1       291      20,000SH   Defined               20,000
REDDY ICE HLDGS INC                   COM        75734R 10 5     1,052      80,781SH   Defined     2         80,781
RELIANT ENERGY INC		      COM	 75952B 10 5       273      11,547SH    Sole                 11,547
ROYAL BK SCOTLAND GROUP PLC     ADR PREF SHS R   780097 74 7       213      10,000SH   Defined     1         10,000
SPDR TR                           UNIT SER 1     78462F 10 3     6,467      49,000SH   Defined     "         49,000
SEACOR HOLDINGS INC                   COM        811904 10 1       451       5,280SH    Sole                  5,280
SEACOR HOLDINGS INC                   COM        811904 10 1       477       5,591SH   Defined                5,591
SELECT SECTOR SPDR TR           SBI MATERIALS    81369Y 10 0       227       5,660SH   Defined     1          5,660
SELECT SECTOR SPDR TR           SBI HEALTHCARE   81369Y 20 9     1,251      40,150SH   Defined     "         40,150
SELECT SECTOR SPDR TR           SBI CONS STPLS   81369Y 30 8       977      35,060SH   Defined     "         35,060
SELECT SECTOR SPDR TR           SBI CONS DISCR   81369Y 40 7     1,570      51,120SH   Defined     "         51,120
SELECT SECTOR SPDR TR           SBI INT-FINL     81369Y 60 5     1,492      60,000SH   Defined     "         60,000
SELECT SECTOR SPDR TR           SBI INT-UTILS    81369Y 88 6       285       7,500SH   Defined     "          7,500
UAL CORP                            COM NEW      902549 80 7       868      40,318SH   Defined     2         40,318
VIRGIN MEDIA INC                      COM        92769L 10 1     9,567     680,000SH   Defined     "        680,000
WACHOVIA CORP NEW                     COM        929903 10 2     4,725     175,000SH   Defined              175,000
WATTS WATER TECHNOLOGIES INC         CL A        942749 10 2     7,375     263,100SH   Defined     2        263,100

                                                             ----------
                                 REPORT TOTAL                 $729,290
                                                             ==========