Championship Belt Holders
List of Champions
| WORLD CHAMPIONS | |||||
| Weight | WBC | WBA | IBF | WBO | |
| Heavy | Rahman | Valuev | Byrd | Brewster | |
| Cruiser | Bell | Bell | Bell | Nelson | |
| Light heavy | Adamek | Tiozzo | Woods | Erdei | |
| Super middle | Beyer | Kessler | Lacy | Calzaghe | |
| Middle | Taylor | Taylor | Abraham | Taylor | |
| Light middle | Mayorga | Simms | Karmazin | Dzindziruk | |
| Welter | Baldomir | Collazo | Judah | Margarito | |
| Light welter | Mayweather | Hatton | Hatton | Cotto | |
| Light | Corrales | Diaz | Chavez | Corrales | |
| Super feather | Barrera | Mosquera | Barrera | Barrios | |
| Feather | Chi | John | Pereira | Harrison | |
| Super bantam | Vazquez | Monshipour | Vazquez | De Leon | |
| Bantam | Hasegawa | Sidorenko | Marquez | Gonzalez | |
| Super fly | Tokuyama | Castillo | Perez | Montiel | |
| Fly | Wonjongkam | Parra | Darchinyan | Narvaez | |
|
Light fly | Viloria | Vasquez | Solis | Cazares | |
| Straw | Okuda | Niida | Rachman | Calderon | |
| BRITISH, C'WEALTH & EURO CHAMPIONS | ||||
| Weight | British | C'wealth | European | |
| Heavy | Skelton | Williams | Vidoz | |
| Cruiser | Hobson | Hobson | Haye | |
| Light heavy | Oboh | Oboh | Ulrich | |
| Super middle | Froch | Froch | Tsypko | |
| Middle | Dann | Toney | Vacant | |
| Light middle | Moore | Duran | Dzindziruk | |
| Welter | Jennings | Anderson | Klose | |
| Light welter | Vacant | Witter | Witter | |
| Light | Earl | Bennett | Zoff | |
| Super feather | Arthur | Arthur | Arthur | |
| Feather | N Cook | N Cook | N Cook | |
| Super bantam | Hunter | Hunter | Hunter | |
| Bantam | Power | Agbeko | Maludrottu | |
| Fly | Vacant | Robinson | Pozo | |