Joel Casamayor Johnson is a Cuban American former professional boxer who competed from 1996 to 2011. He held world championships in two weight classes, including the WBA super featherweight title from 2000 to 2002; and the WBC, Ring magazine and lineal lightweight titles between 2006 and 2008. As an amateur, Casamayor won a gold medal in the bantamweight division at the 1992 Olympics, after which he defected to the United States on the eve of the 1996 Olympics.
Amanda Serrano is a Puerto Rican professional boxer, mixed martial artist and professional wrestler. As a boxer, she is the unified featherweight world champion, having held the WBO title since 2019, IBO title since 2021, IBF title since 2022 and the WBA title since 2023. She is the only female, and Puerto Rican, to win world titles in more than four weight classes, and holds the Guinness World Record for the most boxing world championships won in different weight-classes by a female, having held 9 major world titles across seven different weight classes.
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.
Chantelle Cameron is an English professional boxer. She is a former world champion in two weight classes, including the former undisputed light-welterweight champion, having held the WBC title between 2020 and 2023; the IBF and Ring magazine titles between 2021 and 2023 ; and the WBA and WBO titles between November 2022 and 2023. She previously held the IBO female lightweight title from 2017 to 2019 and light-welterweight title from 2022 to 2023.
Terri Harper is an English professional boxer and current WBA and IBO Super-Welterweight champion. She is also the former super-featherweight world champion, having held the IBO female title from 2019 to November 2021 and the WBC version from 2020 to November 2021. Following a brief amateur career, Harper made her professional debut in 2017. She won her first championship two years later, capturing the regional WBC International female lightweight title in 2019. Later that year she moved down a weight class to the super-featherweight division to win her first world championship, the vacant IBO title, and added the WBC title to her collection the following year after defeating long-reigning champion Eva Wahlström. With her victory over Wahlström, Harper became the second British woman after Nicola Adams to hold a major world championship.
Viviane Obenauf is a Brazilian former professional boxer who competed from 2014 to 2019. She has challenged three times for world titles; the IBO female lightweight title in 2017; the IBF female super featherweight title in 2018; and the IBO female super featherweight title in 2019.
Sarah Mahfoud is a Faroese-born Danish professional boxer who won the IBF female featherweight title in July 2020. She subsequently lost to Amanda Serrano in a title unification bout in Manchester on 24 September 2022. As of September 2020, she is ranked as the world's second best active female featherweight by BoxRec and third by The Ring.
Almendra Yamileth Mercado Duarte is a Mexican professional boxer who has held the WBC female super bantamweight title since 2019. As of April 2021, she is ranked as the world's second best active female super bantamweight by BoxRec.
Naoko Fujioka is a Japanese 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. As of September 2020, she is ranked as the world's best active female flyweight by The Ring and BoxRec.
Ibeth Zamora Silva is a Mexican professional boxer. She is a two-division world champion, having held the WBC female flyweight title from 2018 to 2021 and previously the WBC light flyweight title from 2013 to 2017, as well as the WBA interim female mini flyweight title from 2009 to 2011.
Kenia Stephanie Enríquez Rosas is a Mexican professional boxer. She has held the WBC interim female light flyweight title since 2017 and previously, the WBO female flyweight title from 2014 to 2015. As of September 2020, she is ranked as the world's second best active female light flyweight by The Ring and third by BoxRec.
Jessica Chávez Valencia is a Mexican professional boxer. She is a former world champion in two weight classes, having held the IBF female light flyweight title from 2011 to 2013 and the WBC female flyweight title from 2015 to 2017. She also challenged for the WBC female light flyweight title in 2014 and the WBC female super flyweight title in 2019. As of September 2020, she is ranked as the world's second best active female super flyweight by The Ring and third by BoxRec.
Ema Kozin is a Slovenian professional boxer. She is a world champion in two weight classes, having held the WIBA middleweight title since 2017; the WIBA super-middleweight title since 2018; the WIBF super-middleweight title since 2019; and the WBC interim female middleweight title since October 2020. As of September 2020, she is ranked as the world's fourth best active female super-middleweight by The Ring and the sixth best active middleweight by BoxRec.
Anahí Ester Sánchez is an Argentine professional boxer. She is a three-weight world champion, having held the IBF female super-featherweight title in 2016; the WBA female lightweight title in 2017; and the WBA female super lightweight title in 2019. She also held the WBA interim female featherweight title in 2015 and the WBA interim female super-lightweight title from 2018 to 2019, and challenged for the WBC and IBF female super-featherweight, and WBC female super-lightweight titles between 2016 and 2019.
Cindy Serrano is a Puerto Rican professional boxer who held the WBO female featherweight title from 2016 to 2017. She also challenged for the WIBA featherweight title in 2005; the WIBA and WIBF welterweight titles in 2011; and the unified WBA and IBF female lightweight titles in 2018. Her younger sister, Amanda, is also a professional boxer. The pair became the first sisters to hold world titles from major sanctioning bodies at the same time after Cindy captured the WBO title in 2016.
Rachel Ball is an English professional boxer and former kickboxer who has held the WBC female interim super-bantamweight title since 2020.
Yulihan Alejandra Luna Ávila is a Mexican professional boxer. She is a two-weight world champion, having held the WBC female bantamweight title since 2020 and the IBF female junior featherweight title from 2014 to 2016.
Yazmín Rosita Rivas Hernandez is a Mexican professional boxer. She has held world championships in three weight classes, including the WBA female super flyweight title in 2005; the IBF female bantamweight title from 2011 to 2013; the WBC female bantamweight title from 2014 to 2016; and the WBA female super bantamweight title in 2018.
Ogleidis Suárez is a Venezuelan model and professional boxer. She held the WBA female featherweight title in 2013, having been promoted from interim champion, a title she held since 2011. Suárez also held the WBA female interim super featherweight title in 2014 and challenged for the IBF female light middleweight title in 2019.
Carlos Alejandro Castro Manriquez is an American professional boxer who has held the WBC Continental Americas featherweight title since August 2021.
Alycia Baumgardner 
Karina Kopinska
Palais des Sports, Marseille, France
Gabriella Mezei
Danila Ramos
W Hotel, Barcelona, Spain
Art Rotana Hotel, Manama, Bahrain
Nina Pavlovic