Flyweight / World Boxing Organization
WBO Flyweight
21 reigns, most recent first.
| Champion | From | To |
|---|---|---|
| Anthony Olascuaga | 2024-07-20 | present |
| Jesse Rodriguez | 2023-04-08 | 2024-03-29 |
| Junto Nakatani | 2020-11-06 | 2022-10-27 |
| Kosei Tanaka | 2018-09-24 | 2020-01-31 |
| Sho Kimura | 2017-07-28 | 2018-09-24 |
| Zou Shiming | 2016-11-05 | 2017-07-28 |
| Juan Francisco Estrada | 2013-04-06 | 2016-09-14 |
| Brian Viloria | 2011-07-16 | 2013-04-06 |
| Julio César Miranda | 2010-06-12 | 2011-07-16 |
| Omar Narváez | 2002-07-13 | 2010-05-14 |
| Adonis Rivas | 2002-06-22 | 2002-07-13 |
| Fernando Montiel | 2000-12-15 | 2002-06-22 |
| Isidro García | 1999-12-18 | 2000-12-15 |
| José Antonio López Bueno | 1999-04-23 | 1999 |
| Rubén Sánchez León | 1998-08-14 | 1999-04-23 |
| Carlos Gabriel Salazar | 1996-12-13 | 1998-08-14 |
| Alberto Jiménez | 1995-02-11 | 1996-12-13 |
| Jacob Matlala | 1993-05-15 | 1995-02-11 |
| Pat Clinton | 1992-03-18 | 1993-05-15 |
| Isidro Pérez | 1990-08-18 | 1992-03-18 |
| Elvis Álvarez | 1989-03-03 | 1990-03 |