Kongchai Chanaidonmuang (Thai: ก้องชัย ไฉนดอนเมือง) is a Thai Muay Thai fighter.
He trained under Sangtiennoi Sor.Rungroj at Tor.Sangtiennoi gym in the North of Pathum Thani Province[1] and fights under the banner of the OneSongchai promotion.
[2] Kongchai was born in the Prakhon Chai District of Buriram Province.
He started boxing at 10 years old and started fighting soon after.
Originally called Kongsiam, he later changed his ring name to Kongchai.