Following the name of the champion(s): Indicates the number of times the competitor has held that title at that point.
[...]
Indicates a gap in the listing where title changes are not known.
<
Title was held or changed hands no later than this. In these cases, it is known that a competitor held the title at a certain time but not when he/she won it.
@
Order uncertain. Different titleholders may be known for the same year, for example, but it is not known who held the title before whom.
#
Unofficial or disputable claims. These are usually matches that certainly took place, but where there is doubt that the competitor shown should be recognized as a true title holder. These listings are also italicized.
World Boxing Organization
World Junior Bantamweight Title (as of 2025-08-15)
* Bolded letters in the competitor's name, if any, indicate the surname/family name.
José Ruíz Matos
1989-04-29
San Juan, PR, USA
Defeats Bebis Rojas.
José Quirino
1992-02-22
Las Vegas, NV, USA
Johnny Bredahl
1992-09-04
Copenhagen, DEN
Vacates in 94.
Johnny Tapia
1994-10-14
Albuquerque, NM, USA
Defeats Henry Martínez; vacates in 98.
Victor Godoi
1998-11-07
Chubut, ARG
Defeats Pedro Morquecho.
Diego Morales
1999-06-07
Tijuana, BC, MEX
Adonis Rivas
1999-11-20
Las Vegas, NV, USA
Pedro Alcázar
2001-06-16
Panama City, PAN
Fernando Montiel
2002-06-22
Las Vegas, NV, USA
Mark Johnson
2003-08-16
Uncasville, CT, USA
Iván Hernández
2004-09-25
Memphis, TN, USA
Fernando Montiel [2]
2005-04-09
El Paso, TX, USA
Vacates in 09.
José López
2009-03-28
Bayamón, PR, USA
Defeats Pramuansak Posuwan.
Marvin Sonsona
2009-09-04
Rama, ON, CAN
Stripped of the title in 09 for failure to make the weight limit for the title defense against Alejandro Hernández.
Jorge Arce
2010-01-30
Mexico City, DF, MEX
Defeats Angky Angkota; vacates on 10-04-24 to move up to the bantamweight class.
Omar Andrés Narváez
2010-05-15
Buenos Aires, ARG
Defeats Everth Briceño.
Inoue Naoya
2014-12-30
Tōkyō, JPN
Vacates on 18-03-06 to move up to the bantamweight class; Donnie Nietes and Aston Palicte fight for the vacant title to a draw on 19-09-08 in Inglewood, CA, USA.
Donnie Nietes
2018-12-31
Macao, CHN
Defeats Ioka Kazuto; vacates on 19-02-28.
Ioka Kazuto
2019-06-19
Chiba, JPN
Defeats Aston Palicte; fights Joshua Franco for WBA title to a draw on 22-12-31; vacates WBO title on 23-02-17 to focus on fighiting Franco for the WBA title.
Nakatani Junto
2023-05-20
Las Vegas, NV, USA
Defeats Andrew Moloney; vacates on 23-12-14 upon moving up to the bantamweight class.
