Thongchai Ratchai

Thongchai Ratchai (ธงไชย รัฐไชย, born October 31, 1982), nicknamed Thong (ธง), is a retired professional footballer who played as a forward from Roi Et Province, Thailand.

Roi Et United

 * Regional League Division 2: 2013
 * Regional League North-East Division: 2011, 2012, 2013

Ubon UMT United

 * Regional League Division 2: 2015
 * Regional League North-East Division runner-up: 2015