Flyweight is a
weight class
Weight classes are divisions of competition used to match competitors against others of their own size. Weight classes are used in a variety of sports including Rowing (sport), rowing, Weightlifting#Weightlifting sports, weight lifting, and especi ...
in
combat sport
A combat sport, or fighting sport, is a contact sport that usually involves one-on-one combat. In many combat sports, a contestant wins by scoring more points than the opponent, submitting the opponent with a hold, disabling the opponent (''knock ...
s.
Boxing
Flyweight is a class in
boxing
Boxing is a combat sport and martial art. Taking place in a boxing ring, it involves two people – usually wearing protective equipment, such as boxing glove, protective gloves, hand wraps, and mouthguards – throwing Punch (combat), punch ...
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
Featherweight is a weight class in the combat sports of boxing, kickboxing, mixed martial arts, and Greco-Roman wrestling.
Boxing
Professional boxing
History
A featherweight boxer weighs in at a limit of . In the early days of the division, ...
was considered a
bantamweight
Bantamweight is a weight class in combat sports and weightlifting. For boxing, the range is above and up to . In kickboxing, a bantamweight fighter generally weighs between . In mixed martial arts, MMA, bantamweight is .
The name for the class ...
, regardless of how small the boxer. In 1911, the organization that eventually became the
British Boxing Board of Control
The British Boxing Board of Control (BBBofC) is the governing body of professional boxing in the United Kingdom.
History
The British Boxing Board of Control was formed in 1929 from the old National Sporting Club and is headquartered in Cardiff. ...
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
Francisco "Pancho" Villa ( , , ; born José Doroteo Arango Arámbula; 5 June 1878 – 20 July 1923) was a Mexican revolutionary and prominent figure in the Mexican Revolution. He was a key figure in the revolutionary movement that forced ...
,
Walter McGowan,
Pascual Pérez,
Pone Kingpetch,
Salvatore Burruni,
Fighting Harada,
Masao Ohba,
Chartchai Chionoi,
Efren Torres
Efren Torres (November 29, 1943 – February 25, 2010) was a Mexican world champion professional boxer in the flyweight division. Torres was born in La Palma, Michoacán Mexico in 1943. He spent most of his early life in his family town of Guada ...
,
Erbito Salavarria,
Miguel Canto,
Dave McAuley,
Charlie Magri
Carmel Magri (born 20 July 1956), who boxed under the name Charlie Magri, is a British former professional boxer. He is from a Tunisian family that settled in Limehouse, London, where he grew up. During his professional career he held the WBC ...
,
Gabriel Bernal
Gabriel Bernal (24 March 1956-June 12, 2014) was a Mexican professional boxer. He was the WBC and Lineal Flyweight Champion for six months in 1984 and a super champion in the ring in the 1970s.
Pro career
Bernal came from Cruz Grande, Mexico. ...
,
Santos Laciar
Santos Benigno Laciar (born January 31, 1959), known familiarly as Santos Laciar and nicknamed Falucho, is an Argentine who was boxing's world flyweight and super flyweight champion.
Biography
Laciar was born in Huinca Renancó, in the provinc ...
,
Sot Chitalada
Sot Chitalada (, ), born as Chaovalit Wongcharoean (; ; 5 May 1962, in Chonburi, Thailand) is a Thai former boxer who was twice WBC and Lineal Flyweight Champion, having defended the title against nine boxers in total.
Biography and career
He ...
,
Yong-Kang Kim
Kim Yong-kang (, born January 3, 1965) is a South Korean former professional boxer who competed from 1985 to 1995. He is a two-time flyweight champion, having held the WBC and ''The Ring'' titles from 1988 to 1989 and the WBA title from 1991 t ...
,
Yuri Arbachakov
Yuri Yakovlevich Arbachakov (; born October 22, 1966) is a Russian former professional boxer who competed from 1990 to 1997. He held the WBC flyweight title from 1992 to 1997.
Amateur career
Yuri Arbachakov was born on October 22, 1966 ...
,
Danny Romero,
Mark "Too Sharp" Johnson
Marcellus Joseph Johnson (born August 13, 1971), better known as Mark "Too Sharp" Johnson, is an American former professional boxer who competed from 1990 to 2006. He is a three-time world champion in two weight classes, having held the IBF flyw ...
,
Manny Pacquiao
Emmanuel Dapidran Pacquiao Sr. ( ; ; born December17, 1978) is a Filipino politician, businessman, and professional boxer. Nicknamed "PacMan", he is widely regarded as one of the greatest professional boxers of all time. He previously serv ...
,
Jorge Arce
Jorge Armando Arce Armenta (; born July 27, 1979), best known as Jorge Arce, is a Mexican former professional boxer who competed from 1996 to 2014. He is a multiple-time world champion, and the second boxer from Mexico to win world titles in ...
,
Vic Darchinyan,
Nonito Donaire
Nonito Gonzales Donaire Jr. ( ; ; born November 16, 1982) is a Filipino American professional boxer. He has held multiple world championships in four weight classes, from flyweight to featherweight, and is the oldest boxer in history to win a ...
,
Omar Andrés Narváez,
Pongsaklek Wonjongkam,
Amnat Ruenroeng,
Román González,
Donnie Nietes,
Nicola Adams.
Current world champions
Current ''The Ring'' world rankings
As of April 21, 2025
Keys:
: Current ''
The Ring'' world champion
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.
Amateur boxing
Olympic Champions
=Men's
=
*
1904
Events
January
* January 7 – The distress signal ''CQD'' is established, only to be replaced 2 years later by ''SOS''.
* January 8 – The Blackstone Library is dedicated, marking the beginning of the Chicago Public Library system.
* ...
:
*
1920
Events January
* January 1
** Polish–Soviet War: The Russian Red Army increases its troops along the Polish border from 4 divisions to 20.
** Kauniainen in Finland, completely surrounded by the city of Espoo, secedes from Espoo as its ow ...
:
*
1924:
*
1928
Events January
* January – British bacteriologist Frederick Griffith reports the results of Griffith's experiment, indirectly demonstrating that DNA is the genetic material.
* January 1 – Eastern Bloc emigration and defection: Boris B ...
:
*
1932
Events January
* January 4 – The British authorities in India arrest and intern Mahatma Gandhi and Vallabhbhai Patel.
* January 9 – Sakuradamon Incident (1932), Sakuradamon Incident: Korean nationalist Lee Bong-chang fails in his effort ...
:
*
1936
Events January–February
* January 20 – The Prince of Wales succeeds to the throne of the United Kingdom as King Edward VIII, following the death of his father, George V, at Sandringham House.
* January 28 – Death and state funer ...
:
*
1948
Events January
* January 1
** The General Agreement on Tariffs and Trade (GATT) is inaugurated.
** The current Constitutions of Constitution of Italy, Italy and of Constitution of New Jersey, New Jersey (both later subject to amendment) ...
:
*
1952
Events January–February
* January 26 – Cairo Fire, Black Saturday in Kingdom of Egypt, Egypt: Rioters burn Cairo's central business district, targeting British and upper-class Egyptian businesses.
* February 6
** Princess Elizabeth, ...
:
*
1956
Events
January
* January 1 – The Anglo-Egyptian Sudan, Anglo-Egyptian Condominium ends in Sudan after 57 years.
* January 8 – Operation Auca: Five U.S. evangelical Christian Missionary, missionaries, Nate Saint, Roger Youderian, E ...
:
*
1960
It is also known as the "Year of Africa" because of major events—particularly the independence of seventeen African nations—that focused global attention on the continent and intensified feelings of Pan-Africanism.
Events January
* Janu ...
:
*
1964
Events January
* January 1 – The Federation of Rhodesia and Nyasaland is dissolved.
* January 5 – In the first meeting between leaders of the Roman Catholic and Orthodox churches since the fifteenth century, Pope Paul VI and Patria ...
:
*
1968
Events January–February
* January 1968, January – The I'm Backing Britain, I'm Backing Britain campaign starts spontaneously.
* January 5 – Prague Spring: Alexander Dubček is chosen as leader of the Communist Party of Cze ...
:
*
1972
Within the context of Coordinated Universal Time (UTC) it was the longest year ever, as two leap seconds were added during this 366-day year, an event which has not since been repeated. (If its start and end are defined using Solar time, ...
:
*
1976
Events January
* January 2 – The International Covenant on Economic, Social and Cultural Rights enters into force.
* January 5 – The Pol Pot regime proclaims a new constitution for Democratic Kampuchea.
* January 18 – Full diplomatic ...
:
*
1980
Events January
* January 4 – U.S. President Jimmy Carter proclaims a United States grain embargo against the Soviet Union, grain embargo against the USSR with the support of the European Commission.
* January 6 – Global Positioning Sys ...
:
*
1984
Events
January
* January 1 – The Bornean Sultanate of Brunei gains full independence from the United Kingdom, having become a British protectorate in 1888.
* January 7 – Brunei becomes the sixth member of the Association of Southeas ...
:
*
1988:
*
1992
1992 was designated as International Space Year by the United Nations.
Events January
* January 1 – Boutros Boutros-Ghali of Egypt replaces Javier Pérez de Cuéllar of Peru as United Nations Secretary-General.
* January 6
** The Republ ...
:
*
1996
1996 was designated as:
* International Year for the Eradication of Poverty
Events January
* January 8 – A Zairean cargo plane crashes into a crowded market in the center of the capital city of the Democratic Republic of the Congo ...
:
*
2000
2000 was designated as the International Year for the Culture of Peace and the World Mathematics, Mathematical Year.
Popular culture holds the year 2000 as the first year of the 21st century and the 3rd millennium, because of a tende ...
:
*
2004
2004 was designated as an International Year of Rice by the United Nations, and the International Year to Commemorate the Struggle Against Slavery and Its Abolition (by UNESCO).
Events January
* January 3 – Flash Airlines Flight 60 ...
:
*
2008
2008 was designated as:
*International Year of Languages
*International Year of Planet Earth
*International Year of the Potato
*International Year of Sanitation
The Great Recession, a worldwide recession which began in 2007, continued throu ...
:
*
2012
2012 was designated as:
*International Year of Cooperatives
*International Year of Sustainable Energy for All
Events January
*January 4 – The Cicada 3301 internet hunt begins.
* January 12 – Peaceful protests begin in the R ...
:
*
2016
2016 was designated as:
* International Year of Pulses by the sixty-eighth session of the United Nations General Assembly.
* International Year of Global Understanding (IYGU) by the International Council for Science (ICSU), the Internationa ...
:
*
2020
The year 2020 was heavily defined by the COVID-19 pandemic, which led to global Social impact of the COVID-19 pandemic, social and Economic impact of the COVID-19 pandemic, economic disruption, mass cancellations and postponements of even ...
:
*
2024
The year saw the list of ongoing armed conflicts, continuation of major armed conflicts, including the Russian invasion of Ukraine, the Myanmar civil war (2021–present), Myanmar civil war, the Sudanese civil war (2023–present), Sudane ...
:
=Women's
=
*
2012
2012 was designated as:
*International Year of Cooperatives
*International Year of Sustainable Energy for All
Events January
*January 4 – The Cicada 3301 internet hunt begins.
* January 12 – Peaceful protests begin in the R ...
:
*
2016
2016 was designated as:
* International Year of Pulses by the sixty-eighth session of the United Nations General Assembly.
* International Year of Global Understanding (IYGU) by the International Council for Science (ICSU), the Internationa ...
:
*
2020
The year 2020 was heavily defined by the COVID-19 pandemic, which led to global Social impact of the COVID-19 pandemic, social and Economic impact of the COVID-19 pandemic, economic disruption, mass cancellations and postponements of even ...
:
Pan American Champions
=Men's
=
*
1951
Events
January
* January 4 – Korean War: Third Battle of Seoul – Chinese and North Korean forces capture Seoul for the second time (having lost the Second Battle of Seoul in September 1950).
* January 9 – The Government of the Uni ...
:
Alberto Barenghi (
ARG)
*
1955: Hilario Correa (
MEX)
*
1959
Events
January
* January 1 – Cuba: Fulgencio Batista flees Havana when the forces of Fidel Castro advance.
* January 2 – Soviet lunar probe Luna 1 is the first human-made object to attain escape velocity from Earth. It reaches the ...
:
Miguel Angel Botta (
ARG)
*
1963
Events January
* January 1 – Bogle–Chandler case: Commonwealth Scientific and Industrial Research Organisation scientist Dr. Gilbert Bogle and Mrs. Margaret Chandler are found dead (presumed poisoned), in bushland near the Lane Cove ...
: Floreal García (
URU)
*
1967
Events January
* January 1 – Canada begins a year-long celebration of the 100th anniversary of Canadian Confederation, Confederation, featuring the Expo 67 World's Fair.
* January 6 – Vietnam War: United States Marine Corps and Army of ...
:
Francisco Rodríguez (
VEN
Venezuela, officially the Bolivarian Republic of Venezuela, is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in the Caribbean Sea. It comprises an area of , and its popul ...
)
*
1971 *
The year 1971 had three partial solar eclipses (Solar eclipse of February 25, 1971, February 25, Solar eclipse of July 22, 1971, July 22 and Solar eclipse of August 20, 1971, August 20) and two total lunar eclipses (February 1971 lunar eclip ...
:
Francisco Rodríguez (
VEN
Venezuela, officially the Bolivarian Republic of Venezuela, is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in the Caribbean Sea. It comprises an area of , and its popul ...
)
*
1975
It was also declared the ''International Women's Year'' by the United Nations and the European Architectural Heritage Year by the Council of Europe.
Events
January
* January 1 – Watergate scandal (United States): John N. Mitchell, H. R. ...
:
Ramón Duvalón (
CUB)
*
1979
Events
January
* January 1
** United Nations Secretary-General Kurt Waldheim heralds the start of the ''International Year of the Child''. Many musicians donate to the ''Music for UNICEF Concert'' fund, among them ABBA, who write the song ...
:
Alberto Mercado (
PUR)
*
1983
1983 saw both the official beginning of the Internet and the first mobile cellular telephone call.
Events January
* January 1 – The migration of the ARPANET to TCP/IP is officially completed (this is considered to be the beginning of the ...
:
Pedro Orlando Reyes (
CUB)
*
1987
Events January
* January 1 – Bolivia reintroduces the Boliviano currency.
* January 2 – Chadian–Libyan conflict – Battle of Fada: The Military of Chad, Chadian army destroys a Libyan armoured brigade.
* January 3 – Afghan leader ...
: Adalberto Regalado (
CUB)
*
1991
It was the final year of the Cold War, which had begun in 1947. During the year, the Soviet Union Dissolution of the Soviet Union, collapsed, leaving Post-soviet states, fifteen sovereign republics and the Commonwealth of Independent State ...
: José Ramos (
CUB)
*
1995
1995 was designated as:
* United Nations Year for Tolerance
* World Year of Peoples' Commemoration of the Victims of the Second World War
This was the first year that the Internet was entirely privatized, with the United States government ...
:
Joan Guzmán (
DOM)
*
1999
1999 was designated as the International Year of Older Persons.
Events January
* January 1 – The euro currency is established and the European Central Bank assumes its full powers.
* January 3 – The Mars Polar Lander is launc ...
:
Omar Andrés Narváez (
ARG)
*
2003
2003 was designated by the United Nations as the International Year of Fresh water, Freshwater.
In 2003, a Multi-National Force – Iraq, United States-led coalition 2003 invasion of Iraq, invaded Iraq, starting the Iraq War.
Demographic ...
:
Yuriorkis Gamboa (
CUB)
*
2007
2007 was designated as the International Heliophysical Year and the International Polar Year.
Events
January
* January 1
**Bulgaria and Romania 2007 enlargement of the European Union, join the European Union, while Slovenia joins the Eur ...
:
McWilliams Arroyo
McWilliams Arroyo Acevedo (born December 5, 1985) is a Puerto Rican professional boxer.
Early life
McWilliams was born along his twin brother, McJoe, in the municipality of Ceiba in the northeast coastal region of Puerto Rico's main island. T ...
(
PUR)
*
2011
The year marked the start of a Arab Spring, series of protests and revolutions throughout the Arab world advocating for democracy, reform, and economic recovery, later leading to the depositions of world leaders in Tunisia, Egypt, and Yemen ...
:
Robeisy Ramírez (
CUB)
*
2015
2015 was designated by the United Nations as:
* International Year of Light
* International Year of Soil __TOC__
Events
January
* January 1 – Lithuania officially adopts the euro as its currency, replacing the litas, and becomes ...
:
Antonio Vargas (
USA)
*
2019
This was the year in which the first known human case of COVID-19 was documented, preceding COVID-19 pandemic, the pandemic which was declared by the World Health Organization the following year.
Up to that point, 2019 had been described as ...
:
Rodrigo Marte (
DOM)
Kickboxing
In
kickboxing
Kickboxing ( ) is a full-contact hybrid Martial arts, martial art and Boxing (disambiguation), boxing type based on punch (combat), punching and kicking. Kickboxing originated in the 1950s to 1970s. The fight takes place in a boxing ring, norma ...
, 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
ONE Championship, formerly ONE Fighting Championship (ONE FC) until January 2015, is a Multinational corporation, multinational combat sports Promoter (entertainment), promotion founded on 14 July 2011 by Chatri Sityodtong and Victor Cui. Origi ...
, 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 Bare Knuckle Fighting Championship (BKFC) is an American bare-knuckle boxing promotion based in Philadelphia. The promotion was founded in April 2018, and is presided over by David Feldman.
BKFC is the first promotion to hold an official st ...
, 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
Mixed martial arts (MMA) is a full-contact fighting combat sport, sport based on strike (attack), striking and grappling; incorporating techniques from various combat sports from around the world.
In the early 20th century, various inter-s ...
– as defined by the
Nevada State Athletic Commission
The Nevada State Athletic Commission (also known as the Nevada Athletic Commission or NSAC) regulates all contests and exhibitions of unarmed combat within the state of Nevada, including licensure and supervision of promoters, boxers, kickboxer ...
combat sports
A combat sport, or fighting sport, is a contact sport that usually involves one-on-one combat. In many combat sports, a contestant wins by scoring more points than the opponent, submitting the opponent with a hold, disabling the opponent (''knocko ...
doctrine and by the
Association of Boxing Commissions
The Association of Boxing Commissions (ABC) is a North American not-for-profit professional boxing and mixed martial arts (MMA) organization that organizes contests and record-keeping. It is governed by delegates of state, provincial, and tribal ...
– groups together all competitors 125
lb (57
kg) and below. It sits between
Strawweight (106 lb-115 lb) and
Bantamweight
Bantamweight is a weight class in combat sports and weightlifting. For boxing, the range is above and up to . In kickboxing, a bantamweight fighter generally weighs between . In mixed martial arts, MMA, bantamweight is .
The name for the class ...
(126 lb-135lb).
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
is a Japanese mixed martial arts (MMA) promoter (entertainment), promotion company based in Tokyo. It was founded in 1993 by professional wrestlers Masakatsu Funaki and Minoru Suzuki.
The name was based on pankration, a fighting sport in the An ...
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
ONE Championship, formerly ONE Fighting Championship (ONE FC) until January 2015, is a Multinational corporation, multinational combat sports Promoter (entertainment), promotion founded on 14 July 2011 by Chatri Sityodtong and Victor Cui. Origi ...
'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 are not always up to date. Last updated on March 23, 2025.
Men:
Women:
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
{{Boxing weight classes
Mixed martial arts weight classes
*
Boxing weight classes
Kickboxing weight classes
Taekwondo weight classes
Wrestling weight classes
*
*