Siriporn Thaweesuk (often known by her ring names, Samson Sor Siriporn or Samson Tor Buamas) (born 26 April 1983) is a female light-flyweight professional boxer from Lopburi Province, Thailand. She is a former WBC female world light flyweight champion.
Thaweesuk was convicted of selling amphetamines and sentenced to ten years in prison.
Thaweesuk won the title while serving a prison sentence, and was granted an early release from Thai prison after winning a world title, having been promised such prior to her victory. Originally a ten-year sentence, Thaweesuk served seven years.
She defeated Japan's Ayaka Miyao in a title fight for the WBC female light flyweight championship, which was held in a boxing ring in Klong Prem Prison. As a result, she was granted an early release from the Women's Correctional Institute in Pathum Thani.
|- style="text-align:center; background:#fbb" | 2024-07-26 || Loss||align=left| Koyuki Miyazaki || RISE 180 || Tokyo, Japan || TKO (Referee stoppage) || 2 ||0:43
|- | colspan=9 | Legend: