The World Boxing Council (WBC) is an international professional boxing organization. It is among the four major organizations which sanction professional boxing bouts, alongside the World Boxing Association (WBA), International Boxing Federation (IBF) and World Boxing Organization (WBO).
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.
The World Boxing Organization (WBO) is an organization which sanctions professional boxing bouts. It is recognized by the International Boxing Hall of Fame (IBHOF) as one of the four major world championship groups, alongside the World Boxing Association (WBA), World Boxing Council (WBC), and International Boxing Federation (IBF). The WBO's headquarters are located in San Juan, Puerto Rico.
Heavyweight is a weight class in combat sports and professional wrestling.
In boxing, the undisputed champion of a weight class is the boxer who simultaneously holds world titles from all major organizations recognized by each other and the International Boxing Hall of Fame. There are currently four major sanctioning bodies: WBA, WBC, WBO, and IBF. There were many undisputed champions before the number of major sanctioning bodies recognizing each other increased to four in 2007, but there have been only 21 boxers to hold all four titles simultaneously.
SusiannaLevonovna Kentikian is an Armenian-German former professional boxer who competed from 2005 to 2016. She was born in Yerevan, Armenian SSR, but left the country with her family at the age of five because of the First Nagorno-Karabakh War. Kentikian has lived in Hamburg since 1996 and began boxing at the age of twelve.
Cecilia Carmen Linda Brækhus is a Norwegian professional boxer and former kickboxer. She reigned as the undisputed female welterweight boxing champion from 2014 to 2020, and is the first woman in any weight class to hold the WBA, WBC, IBF and WBO titles simultaneously. Brækhus is also one of only 11 boxers in history, male or female, to hold all four major world titles simultaneously. She also held the IBO title from 2016 to 2020, and is currently the interim WBC super welterweight champion.
Delfine Persoon is a Belgian professional boxer. She held the IBF female lightweight title in 2012 and the WBC female lightweight title from 2014 to June 2019, losing the title in a unification fight against Katie Taylor for the undisputed lightweight championship. As of September 2020, she is ranked as the world's best active female super-featherweight by BoxRec, the second best active female lightweight by The Ring, and the second best active female, pound for pound, by BoxRec, fifth by The Ring and seventh by ESPN.
Jessica McCaskill is an American former professional boxer. She is a former world champion in two weight classes, having held the undisputed, IBO and Ring female welterweight titles; the WBC female super-lightweight title and the WBA female super-lightweight title. She also challenged for the WBA lightweight title.
Franchón Crews-Dezurn is an American professional boxer. She is the current World Boxing Council (WBC) Super middleweight world champion and World Boxing Association (WBA) interim world champion after defeating Shadasia Green December 15, 2023. She was the undisputed world champion at super middleweight, losing to Savannah Marshall on 2 July 2023. She held the World Boxing Council (WBC) titles between 2018 and 2023; the World Boxing Organization (WBO) title between 2019 and 2023; and the World Boxing Association (WBA) and International Boxing Federation (IBF) title between 2022 and 2023.
Naoko Fujioka is a Japanese former professional boxer. She is Japan's first ever five-division world champion, having held the WBA female flyweight title between March 2017 to April 2022. She also previously held the WBC female minimumweight; WBO female junior-flyweight; WBA female super-flyweight; and WBO female bantamweight titles between 2012 and 2017.
Teeraporn Pannimit is a Thai professional boxer who is a former two-time WBO female mini flyweight champion.
Mari Ando 
Maria Milano – Interim champion promoted
Monserrat Alarcón 
Tina Rupprecht 
