The atomweight division in

mixed martial arts Mixed martial arts (MMA), sometimes referred to as cage fighting, no holds barred (NHB), and ultimate fighting, and originally referred to as Vale Tudo is a full-contact combat sport based on striking, grappling and ground fighting, inc ...

generally refers to competitors weighing less than , but it depends on the

promotion Promotion may refer to: Marketing * Promotion (marketing), one of the four marketing mix elements, comprising any type of marketing communication used to inform or persuade target audiences of the relative merits of a product, service, brand or i ...

. It sits below the heavier strawweight division and is the lightest

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, especially combat sports (such as boxing, kickboxing, mixed martial arts and wrestling). Altern ...

widely recognized within MMA. The atomweight division in mixed martial arts is used almost exclusively for Women's MMA.

Ambiguity

In general, atomweight refers to competitors weighing less than , but the exact weight differs per promotion.

Fight Matrix Fight Matrix , MMA Rankings, Records, Statistics is an independent, comprehensive, mixed martial arts (MMA) fighter ranking system portal. It is one of the sport's most recognized ranking websites. According to FightMatrix: "The rankings on thi ...

classifies fighters at 110.9 lbs (50.3 kg) and under as atomweight. * The Deep Jewels atomweight division has an upper limit of 47.6 kg (105 lbs). It was previously known as

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, this ...

until May 2015. * The

Invicta Fighting Championships Invicta Fighting Championships, also known as Invicta FC, is an American professional mixed martial arts (MMA) promotion dedicated to Women's mixed martial arts that was founded in 2012 by Janet Martin and Shannon Knapp. The promotion is currentl ...

atomweight division is between 95 and 105 lbs (43 to 47.6 kg). * The

Pancrase Pancrase Inc. is a mixed martial arts promotion company founded in Japan in 1993 by professional wrestlers Masakatsu Funaki and Minoru Suzuki. The name was based on pankration, a fighting sport in the Ancient Olympic Games. Suzuki and Funaki pr ...

atomweight division has an upper limit of 47.6 kg. * The

ONE Championship ONE Championship (formerly ONE Fighting Championship) is a Singaporean combat sports promotion. Founded on 14 July 2011 by entrepreneur Chatri Sityodtong and former ESPN Star Sports senior executive Victor Cui, its events have featured mixed ...

atomweight division is between 105 and 115 lbs (47.6 to 52.2 kg). * The

Road Fighting Championship Road Fighting Championship (Road FC; ) is a South Korean-based mixed martial arts Mixed martial arts (MMA), sometimes referred to as cage fighting, no holds barred (NHB), and ultimate fighting, and originally referred to as Vale Tudo is ...

atomweight division has an upper limit of 48 kg. * The

Shooto Shooto is a combat sport and mixed martial arts organization that is governed by the ''Shooto Association'' and the ''International Shooto Commission''. Shooto was originally formed in 1985, first as a particular fighting system and then in 198 ...

atomweight division has an upper limit of 47.6 kg.

History

Deep Jewels regularly holds contests at 47.6 kg and circulates a championship title. A tournament took place that culminated on December 17, 2011 at

Jewels 17th Ring ''Jewels 17th Ring'' was a mixed martial arts (MMA) event held by promotion Jewels on at Shinjuku Face in Kabukicho, Tokyo, Japan. The event featured the semi-finals and final of the Jewels Featherweight Queen tournament, which determined th ...

, where

Naho Sugiyama , also known by her nickname or Sugi Rock, is a Japanese female mixed martial arts (MMA) fighter. She has competed professionally since 2009. In 2011, she became the first Jewels featherweight champion. Besides Jewels, Sugiyama has also competed ...

defeated both

Kikuyo Ishikawa is a retired Japanese female mixed martial artist. She won the 2010 Jewels Rough Stone GP in the -48 kg category. Ishikawa was the first female mixed martial artist from Okinawa. She announced her retirement from MMA on . Background Ishika ...

and Misaki Takimoto on the same night to win the inaugural championship. Although now titled the atomweight class, the division was previously known as the featherweight class until May 2015. Invicta held their inaugural atomweight title fight on October 6, 2012. The contest saw

Jessica Penne Jessica Marie Penne (born January 30, 1983) is an American professional mixed martial artist. Penne currently competes in the Women's Strawweight division for the Ultimate Fighting Championship (UFC). She was the first Invicta FC Atomweight Cha ...

defeating Naho Sugiyama by triangle choke in the second round. ONE Championship held their inaugural atomweight championship title match on May 6, 2016. The fight saw

Angela Lee Angela Seung Ju Pucci (née Lee, Chinese: 李胜珠, Korean: 이승주, born July 8, 1996) is a Canadian-American mixed martial artist of Singaporean, Chinese and Korean heritage who is currently competing in ONE Championship. On May 5, 2016, ...

defeat

Mei Yamaguchi , formerly known by her ring name , is a Japanese female mixed martial artist and kickboxer. Her former nickname comes from the V1 armlock wrestling move. Yamaguchi currently fights as a lightweight in the Jewels promotion. She has a notable ...

, and Lee still holds the title as of March 2022. Road FC introduced an atomweight championship title on June 10, 2017. The match saw

Seo Hee Ham Seo Hee Ham ( ko, 함서희 ; born ), written Ham Seo-Hee in Korean order, is a South Korean professional mixed martial artist and kickboxer. She is currently signed to ONE Championship, where she is ranked #2 in the ONE Championship Women's Ato ...

defeat

Mina Kurobe is a Japanese mixed martial artist, currently fighting in the super atomweight division of Shooto, where she is the former and inaugural Shooto Super Atomweight champion. A professional competitor since 2012, Kurobe is also the former DEEP JEW ...

by TKO in the third round. Shooto introduced an atomweight championship via a tournament that culminated on November 27, 2022, where Chihiro Sawada defeated Yuki Ono.

Professional champions

Current champions

References

{{MMA weight classes Mixed martial arts weight classes Women's mixed martial arts

Ambiguity

History

Professional champions

Current champions

See also

References