| Personal information | |||
|---|---|---|---|
| Full name | Teerasak Po-on | ||
| Date of birth | 18 May 1978 | ||
| Place of birth | Chonburi, Thailand | ||
| Height | 1.71 m (5 ft 7+1⁄2 in) | ||
| Position(s) | Defensive Midfielder | ||
| Team information | |||
Current team | Nakhon Ratchasima (manager) | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 1996–2001 | Thai Farmers Bank | 98 | (15) |
| 2001–2003 | Sembawang Rangers | 31 | (2) |
| 2004 | Krung Thai Bank | 25 | (3) |
| 2005–2006 | Provincial Electricity Authority | 55 | (7) |
| 2007–2010 | Chonburi | 52 | (4) |
| 2010 | → Chanthaburi (loan) | 18 | (0) |
| 2011–2014 | Chiangrai United | 104 | (0) |
| Total | 383 | (31) | |
| International career | |||
| 1996–1997 | Thailand U17 | ||
| 1998 | Thailand U19 | ||
| 1999–2000 | Thailand U23 | ||
| Managerial career | |||
| 2012 | Chiangrai United (caretaker) | ||
| 2013 | Chiangrai United (player-manager) | ||
| 2014–2016 | Chiangrai United | ||
| 2016–2019 | PTT Rayong | ||
| 2019–2022 | Nakhon Ratchasima | ||
| 2022 | PT Prachuap | ||
| 2023– | Nakhon Ratchasima | ||
| *Club domestic league appearances and goals | |||
Teerasak Po-on (Thai: ธีระศักดิ์ โพธิ์อ้น; born 18 May 1978) is a Thai professional football manager and former player, who is the currently the manager of Thai League 1 club Nakhon Ratchasima.