Jorge Armando Arce Armenta, best known as Jorge Arce, is a Mexican former professional boxer who competed from 1996 to 2014. He is a multiple-time world champion, and the second boxer from Mexico to win world titles in four weight divisions. In a storied career, Arce held the WBO light flyweight title from 1998 to 1999; the WBC and lineal light flyweight titles from 2002 to 2004; the WBO super flyweight title in 2010; the WBO junior featherweight title in 2011; and the WBO bantamweight title from 2011 to 2012. Additionally he held the WBC interim flyweight title from 2005 to 2006, the WBA interim super flyweight title from 2008 to 2009, and challenged once for the WBC featherweight title in his final fight in 2014.
Guillermo Rigondeaux Ortiz is a Cuban professional boxer. He is a former world champion in two weight classes, having held the unified WBA (Super), WBO and Ring magazine super bantamweight titles between 2013 and 2017, and the WBA (Regular) bantamweight title from 2020 to 2021. He has also challenged once for the WBO junior lightweight title in 2017.
Fernando Montiel Martínez is a Mexican professional boxer. He is a multiple-time former world champion in three weight classes, having held the WBO flyweight title from 2001 to 2002, the WBO junior bantamweight title twice between 2002 and 2008, and the unified WBC and WBO bantamweight titles from 2010 to 2011.
Nonito Gonzales Donaire Jr. is a Filipino American professional boxer. He has held multiple world championships in four weight classes from flyweight to featherweight, and is the oldest boxer in history to win a bantamweight world title, as well as being the first three-time champion in that weight class. Donaire has also held world championships in three consecutive decades: the 2000s, 2010s and 2020s, being the sixth boxer to do so after Evander Holyfield, Manny Pacquiao, Bernard Hopkins, Erik Morales, and Floyd Mayweather Jr.
Nordine Oubaali is a Moroccan former professional boxer who competed from 2014 to 2021. He held the WBC bantamweight title from 2019 to 2021. As an amateur he won a bronze medal in the light-flyweight division at the 2007 World Championships.
John Riel Reponte Casimero is a Filipino professional boxer and a fulltime YouTuber. He has held world championships in three weight classes; including the IBF junior-flyweight title from 2012 to 2013; the IBF flyweight title in 2016; and the WBO bantamweight title from 2019 to 2022. Quadro Alas is Tagalog for four of a kind when translated, his moniker means Four Aces.
Carl Frampton is a Northern Irish former professional boxer who competed from 2009 to 2021. He held world championships in two weight classes, including the WBA (Unified) and IBF super-bantamweight titles between 2014 and 2016, and the WBA (Super) featherweight title from 2016 to 2017. He also held the WBO interim featherweight title in 2018. At regional level, he held the European and Commonwealth super-bantamweight titles between 2011 and 2014.
Emmanuel Rodríguez Vázquez is a Puerto Rican professional boxer who has held the International Boxing Federation (IBF) bantamweight title twice between 2018 and 2024. As an amateur he represented Puerto Rico at the 2010 Summer Youth Olympics and won a gold medal in the flyweight event. As of July 2020, he is ranked as the world's best active bantamweight by TBRB, and second by The Ring, forth by BoxRec, and
Nonito Donaire vs. Omar Narváez was a boxing bantamweight championship fight for the WBC and WBO world titles. Donaire made his first and only title defense against junior bantamweight titleholder Omar Narvaez. Shortly after the most significant win of his career, a highlight reel knockout of Mexico's Fernando Montiel, Donaire left Top Rank and signed with rival Golden Boy Promotions. The deal was put on hold when an arbitrator upheld Top Rank's contract and enjoined Golden Boy from promoting Donaire. Eventually, Donaire worked out his differences with Top Rank, which signed him to a contract extension in mid-July.
Nonito Donaire vs. Guillermo Rigondeaux was a super bantamweight professional boxing match contested between WBO and The Ring champion Nonito Donaire and WBA (Super) champion Guillermo Rigondeaux. The bout took place at Radio City Music Hall in New York City on April 13, 2013 and was televised on HBO. Entering the bout, Donaire had a record of 31–1 and had made three successful defenses of the WBO title he had won by defeating Wilfredo Vazquez, Jr. Rigondeaux, meanwhile, was undefeated in his eleven fights and was fighting for the fourth time as champion; he won the WBA interim title by defeating Ricardo Cordoba in November 2010 and defeated Rico Ramos to become official champion in January 2012.
Naoya Inoue is a Japanese professional boxer. He has held multiple world championships in four weight classes, and is only the second male boxer in history to become the undisputed champion in two weight classes in the four-belt era. Nicknamed "Monster", Inoue is known for his exceptional punching power, possessing a knockout-to-win percentage of 88.88%, and 90.90% in world title matches.
Zolani Tete is a South African professional boxer. He is a former two-weight world champion, having held the IBF junior-bantamweight title from 2014 to 2015 and the WBO bantamweight title from 2017 to 2019.
Ryan Burnett is an Irish former professional boxer who competed from 2013 to 2019. He was a unified bantamweight world champion, having held the WBA (Unified) and IBF titles between 2017 and 2018. At regional level he held the British bantamweight title from 2015 to 2017. As an amateur, he represented Ireland at the 2010 Summer Youth Olympics and won a gold medal in the light-flyweight division.
Marlon Tapales is a Filipino professional boxer. He has held world championships in two weight classes, including the unified WBA (Super) and IBF super-bantamweight titles from April to December 2023, and previously the WBO bantamweight title from 2016 to 2017.
Jason Moloney is an Australian professional boxer, who has held the WBO bantamweight title since May 13, 2023. He also challenged twice for the IBF bantamweight title. At regional level, he has held the WBA Oceania bantamweight title since 2017 and held the Commonwealth bantamweight title in 2018. As an amateur he represented Australia at the 2010 Commonwealth Games.
Daniela Romina Bermúdez is an Argentine professional boxer. She is a former world champion in three weight classes, having held the WBO female bantamweight title twice between 2013 and 2020; the WBO female super flyweight title from 2014 to 2017; and the IBF female junior featherweight title twice between 2018 and 2020. She is the older sister of former light flyweight world champion of boxing, Evelyn Nazarena Bermúdez.
Manami Arima, better known as Tenkai Tsunami, is a Japanese professional boxer. She is a world champion in two weight classes, having held the WBO female junior-flyweight title from 2018 to July 2021 and previously the WBA female super-flyweight title from 2009 to 2012. She also held the challenged for the WBA female bantamweight title in 2012; the WBC female super-flyweight title in 2013; and the IBF female bantamweight title in 2015. As of September 2020, she is ranked as the world's third best active female junior-flyweight by The Ring and fifth by BoxRec.
Cody Crowley is a Canadian professional boxer.
Naoya Inoue vs. Paul Butler, billed as Undisputed, was a bantamweight unification professional boxing match contested between WBA (Super), WBC, IBF, and The Ring champion, Naoya Inoue, and WBO champion, Paul Butler. Inoue knocked out Butler and became the undisputed bantamweight champion and the first since Enrique Pinder beat Rafael Herrera in 1972. The bout took place on 13 December 2022, at Ariake Arena in Tokyo, Japan.
Vincent Astrolabio is a Filipino professional boxer, former WBO Inter-continental champion and former WBO bantamweight title challenger.
Kenbun Torres
Midas Hotel and Casino, Pasay, Philippines
Paipharob Kokietgym 
Dignity Health Sports Park, Carson, California, U.S.
Emmanuel Rodríguez 
Yeison Vargas
Yuya Nakamura
Julias Kisarawe