The Sports Authority of Thailand
การกีฬาแห่งประเทศไทย
The government agency that sanctions the Professional Boxing Association of Thailand, which governs the professional league.
Bodies
Who writes the rules, who sanctions the belts, and who disagrees with whom.
Thailand
The World Muaythai Council
สภามวยไทยโลก
The professional sanctioning body, established by the Thai government and sanctioned by the Sports Authority of Thailand.
International
IFMA
สหพันธ์มวยไทยนานาชาติ
The International Federation of Muaythai Associations, founded 1993, the amateur governing body, with 128 member countries.
A promotion, not a federation
ONE Championship
วัน แชมเปียนชิพ
A Singapore-based promotion running muay thai under its own rules, and paying the best Thai fighters more than the stadium system does.