Flyweight is a weight class in combat sports.
Boxing Flyweight is a class in boxing which includes fighters weighing up to and including 51 kg (112 lb) for a title fight.
Professional boxing The flyweight division was the last of boxing's eight traditional weight classes to be established. Before 1909, anyone below featherweight was considered a bantamweight, regardless of how small the boxer. In 1911, the organization that eventually became the British Boxing Board of Control held a match that crowned Sid Smith as the first flyweight champion of the world. Jimmy Wilde, who reigned from 1916 to 1923, was the first fighter recognized both in Britain and the United States as a flyweight champion.
Other notable flyweights include Victor Perez, Pancho Villa, Walter McGowan, Pascual Pérez, Pone Kingpetch, Salvatore Burruni, Fighting Harada, Masao Ohba, Chartchai Chionoi, Efren Torres, Erbito Salavarria, Miguel Canto, Dave McAuley, Charlie Magri, Gabriel Bernal, Santos Laciar, Sot Chitalada, Yong-Kang Kim, Yuri Arbachakov, Danny Romero, Mark "Too Sharp" Johnson, Manny Pacquiao, Jorge Arce, Vic Darchinyan, Nonito Donaire, Omar Andrés Narváez, Pongsaklek Wonjongkam, Amnat Ruenroeng, Román González, Donnie Nietes, Nicola Adams.
World champions
Sanctioning BodyReign BeganChampionRecordDefensesWBAJuly 30, 2025Ricardo Sandoval27–2 (18 KO)0WBCJuly 30, 2025Ricardo Sandoval27–2 (18 KO)0IBFMarch 29, 2025Masamichi Yabuki20–4 (18 KO)2WBOJuly 20, 2024Anthony Olascuaga12–1 (9 KO)5
The Ring world rankings
As of August 8, 2025
Keys: The Ring world champion
RankNameRecordTitle(s)C1Ricardo Sandoval27–2 (18 KO)WBC, WBA2Kenshiro Teraji25–2 (16 KO)3Seigo Yuri Akui21–3–1 (11 KO)4Masamichi Yabuki18–4 (17 KO)IBF5Galal Yafai9–0–0–1 (7 KO)6Ángel Ayala18–1 (8 KO)7Felix Alvarado42–4 (35 KO)8Anthony Olascuaga9–1 (6 KO)WBO9Tobias Reyes17–1–1 (16 KO)10Jukiya Iimura9–1 (2 KO)
Longest reigning world flyweight champions Below is a list of longest reigning flyweight champions in boxing measured by the individual's longest reign. Career total time as champion (for multiple time champions) does not apply. Name Title reign Title recognition Successful defenses Beaten opponents Fights 1. Omar Andres Narvaez 7 years, 10 months WBO 16 15 2. Jimmy Wilde 7 years, 4 months, 4 days World 3 3 3. Pongsaklek Wonjongkam 6 years, 4 months, 16 days WBC 17 16 4. Artem Dalakian 5 years, 10 months, 27 days WBA 5 5 3. Irene Pacheco 5 years, 8 months, 6 days IBF 6 6 6. Pascual Perez 5 years, 4 months, 20 days World 9 9 7. Yuri Arbachakov 5 years, 4 months, 19 days WBC 9 9 8. Jackie Paterson 4 years, 9 months, 4 days NBA 1 1 9. Miguel Canto 4 years, 2 months, 10 days WBC 14 11 10. Moruti Mthalane 4 years, 1 month, 23 days IBF 4 4 11. Sot Chitalada 3 years, 9 months, 16 days WBC 6 5
Amateur boxing
Olympic Champions Men's
1904: 1920: 1924: 1928: 1932: 1936: 1948: 1952: 1956: 1960: 1964: 1968: 1972: 1976: 1980: 1984: 1988: 1992: 1996: 2000: 2004: 2008: 2012: 2016: 2020: 2024:
Women's
2012: 2016: 2020:
Pan American Champions Men's
1951: Alberto Barenghi (ARG) 1955: Hilario Correa (MEX) 1959: Miguel Angel Botta (ARG) 1963: Floreal García (URU) 1967: Francisco Rodríguez (VEN) 1971: Francisco Rodríguez (VEN) 1975: Ramón Duvalón (CUB) 1979: Alberto Mercado (PUR) 1983: Pedro Orlando Reyes (CUB) 1987: Adalberto Regalado (CUB) 1991: José Ramos (CUB) 1995: Joan Guzmán (DOM) 1999: Omar Andrés Narváez (ARG) 2003: Yuriorkis Gamboa (CUB) 2007: McWilliams Arroyo (PUR) 2011: Robeisy Ramírez (CUB) 2015: Antonio Vargas (USA) 2019: Rodrigo Marte (DOM)
Kickboxing In kickboxing, a flyweight fighter generally weighs 53 kg (116 lb) or under. The International Kickboxing Federation (IKF) Flyweight division (professional and amateur) is 112.1 lb. – 117 lb. or 50.95 kg – 53.18 kg.
In ONE Championship, the flyweight division is up to .
Bare-knuckle boxing The limit for flyweight generally differs among promotions in bare knuckle boxing: In Bare Knuckle Fighting Championship, the flyweight division has an upper limit of . In BKB™, the flyweight division has an upper limit of .
Mixed martial arts The flyweight division in mixed martial arts – as defined by the Nevada State Athletic Commission combat sports doctrine and by the Association of Boxing Commissions – groups together all competitors 125 lb (57 kg) and below. It sits between Strawweight (106 lb-115 lb) and Bantamweight (126 lb-135lb). The weight limit for Women's MMA is also 125 lb (56.7 kg).
The flyweight division in mixed martial arts refers to a number of different weight classes:
The UFC's flyweight division, which groups competitors within 116 to 125 lb (53 to 57 kg) The Pancrase light flyweight division with an upper limit of 54 kg (119 lb) The Shooto flyweight division with an upper limit of 114.6 lb (52 kg) The ONE Championship's flyweight division, with upper limit at The Road FC's flyweight division, with upper limit at 125 lb (57 kg)
Professional champions These tables were last updated in October of 2026. Active title reign Active title reign (interim) Men: OrganizationReign BeganChampionRecordDefensesUFC December 6, 2025 Joshua Van18-2-0 (9KO 2SUB)2ONE Championship April 29, 2026 Avazbek Kholmirzaev18-2-0 (9KO 6SUB)0Rizin FF June 6, 2026 Makoto Takahashi23-5-1 (1) (0KO 7SUB) 0ACA June 28, 2025 Azamat Pshukov14-3-0 (8KO 3SUB)0Brave CF November 7, 2025 Muhammad Mokaev16-0-0 (3KO 7SUB)0CFFC September 27, 2024 Bilal Hasan7-0-0 (5KO 1SUB)2Cage Warriors December 6, 2025 Nicolas Leblond13-4-0 (3KO 6SUB)0Pancrase April 3, 2024 Seiichiro Ito18-4-0 (3KO 12SUB)0Jungle Fight March 22, 2023 Wagner Reis9-4-0 (7KO 1SUB)0LFA March 22, 2025 Eduardo Henrique15-2-0 (7KO 4SUB)2LFA February 7, 2025 Marcos Degli13-3-0 (8KO 4SUB)1LUX Fight LeagueFebruary 13, 2026 Paulino Siller17-3-0 (2KO 7SUB)0Oktagon MMA June 28, 2025 Zhalgas Zhumagulov18-9-0 (8KO 1SUB)0DEEP August 17, 2025 Yutaro Muramoto14-9-2 (5KO 2SUB)0
Women: OrganizationReign BeganChampionRecordDefensesUFCOctober 3, 2026 Natália Silva21–5–1 (5KO 7SUB)0Invicta FC N/A VacantN/AN/ADeep Jewels May 8, 2022 Rin Nakai28-2 (10KO 12SUB)0Pancrase March 9, 2025 Fumika Watanabe3-1 (1KO 0SUB)0Jungle Fight March 26, 2023 Elora Dana 8-1 (1KO 5SUB)2LFA February 23, 2024 Shannon Clark7-1 (3KO 1SUB)2
See also List of current MMA Flyweight Champions List of Road FC Flyweight Champions List of current MMA Women's Flyweight Champions
References
External links