The World Boxing Association (WBA), formerly known as the National Boxing Association (NBA), is the oldest and one of four major organizations which sanction professional boxing bouts, alongside the World Boxing Council (WBC), International Boxing Federation (IBF) and World Boxing Organization (WBO). The WBA awards its world championship title at the professional level. Founded in the United States in 1921 by 13 state representatives as the NBA, in 1962 it changed its name in recognition of boxing's growing popularity worldwide and began to gain other nations as members.
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.
Kōki Kameda is a Japanese former professional boxer who competed from 2003 to 2015. He is a three-weight world champion, having held the WBA light-flyweight title from 2006 to 2007, the WBC and lineal flyweight titles from 2009 to 2010, and the WBA (Regular) bantamweight title twice between 2010 and 2013. His younger brothers, Daiki and Tomoki, are also professional boxers.
Brahim Asloum is a French boxer. He won the Light Flyweight Gold medal at the 2000 Summer Olympics. His Olympic win was France's first Olympic gold medal in boxing in 64 years.
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.
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.
Donnie Liboon Nietes is a Filipino professional boxer. He is a world champion in four weight-classes, having previously held the WBO mini-flyweight title from 2007 to 2011; the WBO and The Ring magazine junior-flyweight titles between 2011 and 2016; IBF flyweight title from 2017 to 2018; and the WBO junior-bantamweight title from 2018 to 2019. He is the longest-reigning Filipino boxing world champion, surpassing in 2014 the record set in 1967 by Boxing Hall of Fame inductee Gabriel "Flash" Elorde. He was one of the first three Asian fighters with world titles in at least four weight classes alongside fellow Filipinos Manny Pacquiao and Nonito Donaire.
Román Alberto González Luna, best known by his nickname "Chocolatito", is a Nicaraguan professional boxer. He is the first boxer from Nicaragua to win world titles in four weight classes, having surpassed his mentor, idol, and former three-weight world champion, the late great Alexis Argüello.
Lee Haskins is a British former professional boxer who competed between 2003 and February 2020. He held the IBF bantamweight title from 2015 to 2017, and the IBF interim title in 2015. At regional level, he held the Commonwealth flyweight title in 2006; the British super-flyweight title from 2008 to 2009; the Commonwealth super-flyweight title in 2009; the British bantamweight title in 2013; and the European bantamweight title twice between 2012 and 2015.
John Riel Reponte Casimero is a Filipino professional boxer and 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.
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.
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.
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.
Ronald Barrera is a Colombian professional boxer who currently fights in the flyweight division and has fought for major world titles five times, losing each attempt.
Sirichai Thaiyen or Yodmongkol Vor Saengthep or Yodmongkol CP Freshmart is a professional boxer from Thailand. He is the former interim WBA Flyweight champion, currently he is PABA Flyweight champion.
Stephane Jamoye is a Belgian professional boxer who held the European bantamweight title from 2012 to 2013. He also challenged for the WBC bantamweight title and WBA (Regular) super bantamweight title in 2014.
Zhanat Zhakiyanov is a Kazakh former professional boxer who competed from 2007 to 2017. He held the WBA (Undisputed) and IBO bantamweight titles in 2017.
Lee McGregor is a Scottish professional boxer. At regional level, he held the Commonwealth bantamweight title from 2018 to 2023, the British bantamweight title from 2019 to 2023, and the European bantamweight title from 2021 to 2023.
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.
Michael Alber Dasmariñas is a Filipino professional boxer who held the IBO bantamweight title in 2018. He also challenged for the IBO super-flyweight title in 2014 and the unified WBA (Super), IBF, and The Ring bantamweight titles in 2021.
