Bantamweight
| Name: | Date: | Location: | Defenses: |
|---|---|---|---|
| Israel Contreras def. Maurizio Lupino |
February 3, 1989 | Caracas, Venezuela | 1 |
| Title vacated | 1990 | Contreras vacated the title in order to challenge Luisito Espinosa for the WBA title. His only defense was against Ray Minus on September 2, 1990 in Nassau, Bahamas. | |
| Gaby Canizales def. Miguel Lora |
March 12, 1991 | Auburn Hills, Michigan, United States | 0 |
| Duke McKenzie | March 12, 1991 | London, England, United Kingdom | 2 |
| Rafael del Valle | May 13, 1992 | London, England, United Kingdom | 2 |
| Alfred Kotey | July 30, 1994 | London, England, United Kingdom | 2 |
| Daniel Jiménez | October 21, 1995 | London, England, United Kingdom | 1 |
| Robbie Regan | April 26, 1996 | Cardiff, Wales, United Kingdom | 0 |
| Title vacated | 1996 | Title vacated when Regan retired. | |
| Jorge Julio Rocha def. Oscar Maldonado |
July 28, 1997 | Inglewood, California, United States | 3 |
| Johnny Tapia | January 8, 2000 | Albuquerque, New Mexico, United States | 1 |
| Title vacated | 2000 | ||
| Mauricio Martinez def. Lester Fuentes |
September 4, 2000 | Manchester, England, United Kingdom | 1 |
| Cruz Carbajal | March 15, 2002 | Veracruz, Mexico | 2 |
| Ratanachai Sor Vorapin | May 7, 2004 | Bangkok, Thailand | 1 |
| Jhonny Gonzalez | October 29, 2005 | Tucson, Arizona, United States | 1 |
| Gerry Penalosa | August 11, 2007 | Sacramento, California, United States | 1 |
| Title Stripped due to Penalosa not defending the belt for a year | April 2009 | ||
| Fernando Montiel def. Diego Oscar Silva |
March 28, 2009 | Baja California, Mexico | 1 |
| Eric Morel Interim Title def. Gerry Penalosa |
February 13, 2010 | Las Vegas, Nevada, United States | |
| Nonito Donaire def. Fernando Montiel |
February 19, 2011 | Las Vegas, Nevada, United States | |
Read more about this topic: List Of WBO World Champions