For other uses, see Flyweight (disambiguation).

Flyweight is a weight class in combat sports.


Flyweight is a class in boxing which includes fighters weighing above 49 kg (108 lb) and up to 52 kg (112 lb).[1]

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 1914 to 1923, was the first fighter recognized both in Britain and the United States as a flyweight champion.[2]

Other notable flyweights include Pancho Villa, Walter McGowan, Pascual Pérez, Pone Kingpetch, 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 and Pongsaklek Wonjongkam.

Pongsaklek Wonjongkam holds the record for most consecutive title defenses at this division, with 19 defenses of the WBC title.

Professional champions

Current champions

Sanctioning Body Reign Began Champion Record Defenses
WBA April 22, 2015 Japan Kazuto Ioka 19-1 (11 KO) 2
WBC vacant
IBF May 25, 2016 Philippines Johnriel Casimero 23-3 (15 KO) 1
WBO November 5, 2016 China Zou Shiming 9-1 (2 KO) 0

Longest reigning 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
1. Argentina Omar Andres Narvaez 7 years, 10 months WBO 16
2. United Kingdom Jimmy Wilde 7 years, 4 months, 4 days World 5
3. Thailand Pongsaklek Wonjongkam 6 years, 4 months, 16 days WBC 19
4. Colombia Irene Pacheco 5 years, 8 months, 6 days IBF 6
5. Argentina Pascual Perez 5 years, 4 months, 20 days World 16
6. Russia Yuri Arbachakov 5 years, 4 months, 19 days WBC 9
7. Mexico Miguel Canto 4 years, 2 months, 10 days WBC 14
8. South Africa Moruti Mthalane 4 years, 1 month, 23 days IBF 4
9. United Kingdom Jackie Paterson 4 years, 1 month, 12 days NBA N/A
10. Thailand Sot Chitalada 3 years, 9 months, 16 days WBC 6

Amateur Champions

Olympic Champions

Pan American Champions


In kickboxing, a flyweight fighter generally weighs 53 kg (115 lb) or under. The International Kickboxing Federation (IKF) Flyweight division (professional and amateur) is 112.1 lbs. – 117 lbs. or 50.95 kg – 53.18 kg.

Mixed Martial Arts

Main article: Flyweight (MMA)

The flyweight division in mixed martial arts – as defined the Nevada State Athletic Commission combat sports doctrine[3] and by the Association of Boxing Commissions[4] – groups together all competitors 125 lb (57 kg) and below.


  1. Technical & Competition Rules, Appendix K AIBA
  2. Mullan, Harry (1996). Boxing: The Definitive Illustrated Guide to World Boxing. London, England: Carlton Books. p. 186. ISBN 0-7858-0641-5.
  3. "Nevada Revised Statutes: CHAPTER 467 - UNARMED COMBAT". Retrieved 2007-02-20. External link in |work= (help)
  4. "UNIFIED RULES OF MMA". Retrieved 2012-07-15.

External links

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