Elena A. Reid is an American former boxer and former mixed martial artist. She is a former WIBA and IFBA Flyweight Champion and fights under the nickname Baby Doll.
Brian Viloria is a retired American professional boxer of Filipino descent. He is a former unified WBA and WBO flyweight champion, as well as a former WBC and IBF light flyweight champion. His nickname of "The Hawaiian Punch" was first given to him by Jesus Salud, a fellow Hawaiian of Filipino descent and himself a former world champion in boxing.
Pongsaklek Wonjongkam is a former Thai professional boxer and current boxing trainer. He is a two-time former lineal flyweight champion. During his first reign as world flyweight champion, which lasted between 2001 to 2007, Wonjongkam defended his title 17 times against 16 fighters, with both numbers being a flyweight record.
Zoltan Lunka was a professional boxer, who won a Flyweight bronze medal at the 1996 Summer Olympics for Germany. A year earlier, at the 1995 World Amateur Boxing Championships in Berlin, he captured the world title.
Cecilia Carmen Linda Brækhus is a Norwegian professional boxer and former kickboxer. In boxing she reigned as the undisputed female welterweight champion from 2014 to 2020, and is the first woman in any weight class to hold the WBA, WBC, IBF and WBO titles simultaneously. She is also one of only 11 boxers in history, female or male, to hold all four major world titles simultaneously, along with Bernard Hopkins (2004–2005), Jermain Taylor (2005), Terence Crawford (2017), Oleksandr Usyk (2018–2019), Claressa Shields, Katie Taylor (2019–), Jessica McCaskill (2020–), Josh Taylor (2021–), and Canelo Alvarez (2021-), Devin Haney (2022-) in 2016, she captured the IBO title, becoming the first ever boxer to hold five world titles from sanctioning bodies simultaneously.
Marlen Esparza is an American professional boxer who held the WBC female flyweight title since June 2021 and the WBA and The Ring female flyweight title since April 2022. As an amateur she became the first American woman to qualify for the Olympics in the first year that women's boxing was an Olympic event, going on to win a bronze medal in the women's flyweight division at the 2012 Olympics in London.
Keith Knox, is a Scottish former professional boxer who competed from 1994 to 2001. He held the British and Commonwealth flyweight titles in 1999, and once challenged for the IBO light flyweight title in 2001.
Andrew Moloney is an Australian professional boxer who held the WBA (Regular) super-flyweight title in 2020, having previously held the interim title since 2019. At regional level he held the WBA Oceania bantamweight title from 2016 to 2017 and the Commonwealth super-flyweight title in 2017. As an amateur, he won a gold medal at the 2014 Commonwealth Games in the flyweight division. As of June 2020, he is ranked as the world’s seventh best active super-flyweight by The Ring magazine, eighth by the Transnational Boxing Rankings Board and ninth by BoxRec.
Ava Michelle Knight-Salicka is an American professional boxer. She held the IBF female flyweight title from 2011 to 2012 and has challenged for world titles in three weight divisions; the WBC female super flyweight title in 2009; the WBO female bantamweight title in 2011; and the WBC female light flyweight title in 2013. As of September 2020, she is ranked as the world's fourth best active female flyweight by The Ring and eighth by BoxRec.
Jonathan Inguito Taconing is a Filipino boxer. He is a former light flyweight champion of the Oriental and Pacific Boxing Federation, and the current International light flyweight champion of the World Boxing Council, a title he already once held in his career, from 2010-2012. He and Mark Magsayo were named the Most Promising Boxers of the Year at the 2016 Elorde Boxing Awards. Taconing is trained by former Filipino professional boxer Eddie Ballaran and under the management of Johnny Elorde.
Pichit Chor Siriwat, also known as Pichitnoi Sitbangprachan, is a retired Thai professional boxer who was the WBA junior flyweight world champion in the late 90s.
Momo Koseki is a Japanese former professional boxer. She is a two-weight world champion, having held the WBC female atomweight title from 2008 to 2015; the WBA female atomweight title in 2015; and the WBC female strawweight title in 2017. Koseki has made a record-breaking sixteen consecutive title defenses of her WBC atomweight title.
Christina Rupprecht is a German professional boxer who has held the WBC female mini-flyweight title since 2018. As an amateur she won multiple German national titles. As of May 2020, she is ranked as the world's third best active female mini-flyweight by BoxRec.
Kasumi Saeki is a Japanese professional boxer. She has held the WBO female mini flyweight title since 24 April 2019.
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. As of September 2020, she is ranked as the world's best active female bantamweight by The Ring and second by BoxRec, as well as the eighth best active female, pound for pound, by The Ring and ESPN, and tenth by BoxRec. She is the older sister of IBF female light flyweight champion Evelyn Nazarena Bermúdez.
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.
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.
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.
Lourdes Yoana Juárez Trejo is a Mexican professional boxer who has held the WBC female super flyweight title since 2020. As of December 2020, she is ranked as the world's best active female super flyweight by The Ring and second by BoxRec. She is the younger sister of former world champion boxer Mariana Juárez.
Etsuko Tada is a Japanese professional boxer. She is a former four-time mini-flyweight world champion, having held the WBA title from 2009 to 2013; the IBF title from 2015 to 2017; and the WBO title twice between 2018 and October 2021.
