Current Champions
| Boxing Champions | ||||
| Weight | WBC | WBA | IBF | WBO |
| Heavy | Oleg Maskaev | Ruslan Chagaev | Wladimir Klitschko | Sultan Ibragimov |
| Cruiser | Jean Marc Mormeck | Jean Marc Mormeck | Steve Cunningham | Enzo Maccarinelli |
| Light heavy | Chad Dawson | Stipe Dews | Clinton Woods | Zsolt Erdei |
| Super middle | Mikkel Kessler | Mikkel Kessler | Alejandro Berrio | Joe Calzaghe |
| Middle | Jermain Taylor | Javier Castillejo | Arthur Abraham | Jermain Taylor |
| Light middle | Vacant | Joachim Alcine | Cory Spinks | Sergeii Dzinziruk |
| Welter | Floyd Mayweather | Miguel Cotto | Kermit Cintron | Antonio Margarito |
| Light welter | Junior Witter | Souleymane M'baye | Paulie Malignaggi | Ricardo Torres |
| Light | David Diaz | Juan Diaz | Julio Diaz | Juan Diaz |
| Super feather | Juan Manuel Marquez | Edwin Valero | Mzonke Fana | Joan Guzman |
| Feather | Injin Chi | Chris John | Robert Guerrero | Vacant |
| Super bantam | Rafael Marquez | Celestino Cabbelaro | Steve Molitor | Daniel Ponce De Leon |
| Bantam | Hozumi Hasagawa | Wladimir Sidorenko | Luis Perez | Johnny Gonzalez |
| Super fly | Christian Mijares | Nobuo Nashiro | Vacant | Fernando Montiel |
| Fly | Pongsaklek Wonjongkam | Takefumi Sakata | Nonito Donaire | Omar Navaez |
| Light fly | Edgar Sosa | Vacant | Ulises Solis | Hugo Cararez |
| Straw | Eagle Kyowa | Yukata Niida | Florante Condes | Ivan Calderon |
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