Usanakorn Thawilsuhannawang

Usanakorn Thawilsuhannawang (Thai: อุษณากร ถวิลสุวรรณวัง; born 31 December 1987), better known by her ring name Usanakorn Kokietgym (Thai: อุษณากร ก่อเกียรติยิม), is a female bantamweight professional boxer from Nakhon Ratchasima province, Thailand. She is a former WBC female world bantamweight champion.

Additionally, Usanakorn is a former two-time SEA Games boxing gold medalist at the 2005 and 2007 SEA Games.

Professional boxing career
On March 2, 2009, Usanakorn defeated Rie Fujimoto by fourth-round knockout to win the interim WBC women's world super flyweight championship. She was set to face Ana Maria Torres in a title unification bout on June 13, 2009.

On October 5, 2009, Usanakorn defeated Galina Koleva Ivanova by unanimous to win the WBC female world bantamweight championship. She made one successful title defense against Dong Xiao Juan on October 4, 2011.

Usanakorn lost the WBC female world bantamweight title to Susie Ramadan by unanimous decision July 13, 2012. There was controversy after the fight when Ramadan claimed that Usanakorn was male. Usanakorn tested for "highly suspicious" levels of testosterone before her fight with Ramadan in Melbourne. According to The Sydney Morning Herald, Usanakorn tested for three times the amount of testosterone normally found in a woman.

BKFC Thailand
Usanakorn made her bare-knuckle boxing debut at BKFC Thailand 2: Iconic Impact on May 7, 2022. She defeated Benjamas Phakra by first-round knockout.

On September 3, 2022, Usanakorn defeated Natsuda Yooya by first-round knockout at BKFC Thailand 3: Moment of Truth.