Rangsan Viwatchaichok
| Personal information | |||
|---|---|---|---|
| Full name | Rangsan Viwatchaichok | ||
| Date of birth | 22 January 1979 | ||
| Place of birth | Bangkok, Thailand | ||
| Height | 1.78 m (5 ft 10 in) | ||
| Position(s) | |||
| Team information | |||
Current team | Chonburi (head coach) | ||
| Youth career | |||
| 1995–1997 | Stock Exchange of Thailand | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 1999–2001 | BEC Tero Sasana | 45 | (4) |
| 2002 | Krung Thai Bank | 8 | (1) |
| 2003 | Tobacco Monopoly | 12 | (1) |
| 2004 | Krung Thai Bank | 16 | (0) |
| 2004–2006 | Bangkok Bank | 58 | (2) |
| 2006–2007 | Geylang United | 63 | (6) |
| 2008–2011 | Buriram United | 103 | (18) |
| 2012–2016 | BEC Tero Sasana | 112 | (16) |
| 2016–2017 | Suphanburi | 23 | (1) |
| 2022–2023 | Police Tero | 0 | (0) |
| Total | 440 | (49) | |
| International career | |||
| 2004–2012 | Thailand | 29 | (1) |
| Managerial career | |||
| 2015 | BEC Tero Sasana (interim) | ||
| 2015 | BEC Tero Sasana (interim) | ||
| 2018 | Police Tero (interim) | ||
| 2018 | Police Tero | ||
| 2018–2023 | Police Tero | ||
| 2023–2024 | Port | ||
| 2024–2025 | Port | ||
| 2025 | Muangthong United | ||
| 2025– | Chonburi | ||
| * Club domestic league appearances and goals | |||
Rangsan Viwatchaichok (Thai: รังสรรค์ วิวัฒน์ชัยโชค; RTGS: Rangsan Viwatchaichok), born 22 January 1979) is a Thai professional football manager and former professional footballer who is currently the head coach of Thai League 1 club Chonburi.
Rangsan currently holds the record for the most all-time appearances in Thai League 1, with 440 appearances. He is known for his set pieces freekick back in his playing career.