Light flyweight / World Boxing Organization
WBO Junior flyweight
24 reigns, most recent first.
| Champion | From | To |
|---|---|---|
| René Santiago | 2025-03-13 | present |
| Shokichi Iwata | 2024-10-13 | 2025-03-13 |
| Jonathan González | 2021-10-16 | 2024-06-19 |
| Elwin Soto | 2019-06-21 | 2021-10-16 |
| Ángel Acosta | 2017-12-02 | 2019-06-21 |
| Kosei Tanaka | 2016-12-31 | 2017-11-30 |
| Donnie Nietes | 2011-10-08 | 2016-08-03 |
| Ramón García Hirales | 2011-04-30 | 2011-10-08 |
| Jesús Géles | 2011-04-22 | 2011-04-30 |
| Giovani Segura | 2010-08-28 | 2011-04-22 |
| Iván Calderón | 2007-08-25 | 2010-08-28 |
| Hugo Cázares | 2005-04-30 | 2007-08-25 |
| Nelson Dieppa | 2001-04-14 | 2005-04-30 |
| Masibulele Makepula | 2000-02-19 | 2000 |
| Michael Carbajal | 1999-07-31 | 1999-08 |
| Jorge Arce | 1998-12-05 | 1999-07-31 |
| Juan Domingo Córdoba | 1998-01-17 | 1998-12-05 |
| Melchor Cob Castro | 1997-08-25 | 1998-01-17 |
| Jesús Chong | 1997-05-31 | 1997-08-25 |
| Jacob Matlala | 1995-11-18 | 1997 |
| Paul Weir | 1994-11-23 | 1995-11-18 |
| Michael Carbajal | 1994-07-15 | 1994-11-12 |
| Josué Camacho | 1992-07-31 | 1994-07-15 |
| José de Jesús | 1989-05-19 | 1992-03 |