Marco Antonio Barrera Tapia is a Mexican former professional boxer who competed from 1989 to 2011. He held multiple world championships in three weight classes between 1995 and 2007, from super bantamweight to super featherweight.
Howard Anthony Eastman is a Guyanese-British former professional boxer who competed from 1994 to 2014. He challenged twice for middleweight world championships; the vacant WBA title in 2001; and the undisputed title against Bernard Hopkins in 2005. At regional level, he held the British, Commonwealth and EBU European middleweight titles twice each between 1998 and 2007.
Cristian Ricardo Lucio Mijares is a Mexican former professional boxer. He is a two-time super flyweight champion, having held the unified WBC and WBA (Unified) titles from 2006 to 2008 and the IBF title from 2010 to 2011.
Rau'shee Warren is an American professional boxer who held the WBA (Undisputed), and IBO bantamweight titles from 2016 to 2017. As an amateur he won a gold medal at the 2007 World Championships, as well as bronze at the 2005 and 2011 World Championships, all in the flyweight division.
Tomoki Kameda is a Japanese professional boxer. He is a former WBO bantamweight champion, having held the title from 2013 to 2014, and former WBC super bantamweight title challenger, having fought for the title in 2019.
Anselmo Moreno is a Panamanian professional boxer. He held the WBA bantamweight title from 2008 to 2014, making him the longest reigning bantamweight world champion of all time, and challenged once for the WBC super bantamweight title in 2012. Nicknamed El Fantasma, Moreno is known for his excellent defensive skills and technical fighting style.
Jamie McDonnell is a British former professional boxer who competed from 2005 to 2019. He held the IBF bantamweight title in 2013 and the WBA (Regular) title from 2014 to 2018. He held multiple regional bantamweight championships, including the British title twice between 2010 and 2011; the Commonwealth title from 2010 to 2011; and the European title from 2010 to 2012. He is the twin brother of fellow boxer Gavin McDonnell.
Stuart Hall is a British former professional boxer who competed from 2008 to 2018. He held the IBF bantamweight world title from 2013 to 2014, and challenged twice for the same title in 2014 and 2016. At regional level, he held the British bantamweight title from 2010 to 2011 and the Commonwealth bantamweight title in 2012.
Gamal Yafai is a British professional boxer. He held the European super-bantamweight title between 2020 and May 2021 and previously held the Commonwealth super-bantamweight title in 2016. As an amateur he won a bronze medal at the 2010 European Championships.
Léodegario Santa Cruz is a Mexican professional boxer. He is a four-weight world champion, having held the IBF bantamweight title from 2012 to 2013, the WBC super bantamweight title from 2013 to 2015, the WBA (Super) featherweight title twice between 2015 and 2022, and the WBA (Super) super featherweight title from 2019 to 2020.
Kazuto Ioka is a Japanese professional boxer. He is the first male Japanese boxer and fourth Asian to be a four-weight world champion, having held the unified WBA and WBC mini-flyweight titles between 2011 and 2012, the WBA (Regular) light-flyweight title from 2012 to 2014, the WBA flyweight title from 2015 to 2017, the WBO super-flyweight title from 2019 to 2023, and the WBA super-flyweight title since June 2023. As of July 2023, he is ranked as the world’s second-best active super-flyweight by The Ring magazine, and third by BoxRec and the Transnational Boxing Rankings Board.
Suriyan Sor Rungvisai is a Thai professional boxer in the super flyweight division. He is the former WBC super flyweight champion. and the older brother of flyweight contender Nawaphon Sor Rungvisai.
Kohei Kono is a Japanese professional boxer. He is a two-time world champion, having held the WBA super-flyweight title twice between 2012 and 2016 with three successful defenses.
Juan Francisco Estrada Romero is a Mexican professional boxer. He is a two-weight world champion, having held the WBC super flyweight title since 2022 and The Ring super flyweight title since 2019. He previously held the WBA (Unified) and WBO flyweight titles between 2012 and 2015, and the WBC super flyweight title in March 2021 and the WBA (Super) title from March 2021 to August 2022. He also challenged once for the WBA light flyweight title in 2012. As of July 2023, Estrada is ranked as the world's sixth best active boxer, pound for pound, by the Transnational Boxing Rankings Board (TBRB), seventh by The Ring, and tenth by Boxing Writers Association of America (BWAA). He is also ranked as the world's best active super flyweight by The Ring and the TBRB and BoxRec.
Hector "Hekkie" Budler is a South African professional boxer. He has held world championships in two weight classes, including the World Boxing Association (WBA) and International Boxing Organization (IBO) minimumweight titles between 2011 and 2016, and the unified WBA (Super), International Boxing Federation (IBF), and Ring magazine light-flyweight titles in 2018.
James "Jazza" Dickens is a British professional boxer. He held the International Boxing Organisation (IBO) featherweight title between 2022 and July 2023. He previously challenged for the World Boxing Association (WBA) super bantamweight title in 2016 and the International Boxing Federation (IBF) featherweight title in 2021. At regional level, he held the British super bantamweight title from 2015 to 2017.
Takuma Inoue is a Japanese professional boxer who has held the WBA bantamweight title since April 2023. He previously held the WBC interim bantamweight title from 2018 to 2019, and challenged for the full world title in 2019.
Rey Geovani Vargas Roldán is a Mexican professional boxer. He is a world champion in two weight classes, having held the WBC featherweight title since 2022 and the WBC super bantamweight title from 2017 to 2020.
Daniel "Danny" Roman is an American former professional boxer. He is a former unified super bantamweight champion, having held the WBA (Unified), and IBF titles from 2019 to 2020, and previously the WBA (Regular) title from 2017 to 2019. As of June 2022, Roman is ranked as the world's fourth-best active super bantamweight by The Ring and the Transnational Boxing Ratings Board.
Josh Wale is a British professional boxer. He held the British bantamweight title from 2017 to 2018. He challenged for the Commonwealth bantamweight title in 2012; the Commonwealth super bantamweight title in 2016; the European bantamweight title in 2018; and the British super bantamweight title three times between 2014 and 2019.
Andoni Gago 
Nathan Kirk
Daniel Roman 
Jozsef Ajtai
Simas Volosinas
Rey Vargas 
Robin Zamora
Jorge Sanchez
Jeromy Parodi
Alexander Egorov
Vusi Malinga 
Elemir Rafael
Pavels Senkovs
Plamen Kostadinov