Thongchai Ratchai
| Personal information | |||
|---|---|---|---|
| Full name | Thongchai Ratchai | ||
| Date of birth | 31 October 1982 | ||
| Place of birth | Roi Et, Thailand | ||
| Height | 1.71 m (5 ft 7+1⁄2 in) | ||
| Position(s) | Forward | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2007 | Suphanburi | ||
| 2008 | TTM Customs | ||
| 2009 | Suphanburi | ||
| 2010 | Sriracha | ||
| 2011–2014 | Roi Et United | ||
| 2015–2017 | Ubon UMT United | ||
| 2017 | Rayong | ||
| *Club domestic league appearances and goals | |||
Thongchai Ratchai (Thai: ธงไชย รัฐไชย, born October 31, 1982), nicknamed Thong (ธง), is a retired professional footballer who played as a forward from Roi Et Province, Thailand.