| Teerasak Po-on | |
| Fullname: | Teerasak Po-on |
| Birth Date: | 1978 5, df=yes |
| Birth Place: | Chonburi, Thailand |
| Currentclub: | Nakhon Ratchasima (manager) |
| Position: | Defensive Midfielder |
| Years1: | 1996–2001 |
| Years2: | 2001–2003 |
| Years3: | 2004 |
| Years4: | 2005–2006 |
| Years5: | 2007–2010 |
| Years6: | 2010 |
| Years7: | 2011–2014 |
| Clubs1: | Thai Farmers Bank |
| Clubs2: | Sembawang Rangers |
| Clubs3: | Krung Thai Bank |
| Clubs4: | Provincial Electricity Authority |
| Clubs5: | Chonburi |
| Clubs6: | → Chanthaburi (loan) |
| Clubs7: | Chiangrai United |
| Caps1: | 98 |
| Caps2: | 31 |
| Caps3: | 25 |
| Caps4: | 55 |
| Caps5: | 52 |
| Caps6: | 18 |
| Caps7: | 104 |
| Goals1: | 15 |
| Goals2: | 2 |
| Goals3: | 3 |
| Goals4: | 7 |
| Goals5: | 4 |
| Goals6: | 0 |
| Goals7: | 0 |
| Totalcaps: | 383 |
| Totalgoals: | 31 |
| Nationalyears1: | 1996–1997 |
| Nationalteam1: | Thailand U17 |
| Nationalyears2: | 1998 |
| Nationalteam2: | Thailand U19 |
| Nationalyears3: | 1999–2000 |
| Nationalteam3: | Thailand U23 |
| Manageryears1: | 2012 |
| Managerclubs1: | Chiangrai United (caretaker) |
| Manageryears2: | 2013 |
| Managerclubs2: | Chiangrai United (player-manager) |
| Manageryears3: | 2014–2016 |
| Managerclubs3: | Chiangrai United |
| Manageryears4: | 2016–2019 |
| Managerclubs4: | PTT Rayong |
| Manageryears5: | 2019–2022 |
| Managerclubs5: | Nakhon Ratchasima |
| Manageryears6: | 2022 |
| Managerclubs6: | PT Prachuap |
| Manageryears7: | 2023– |
| Managerclubs7: | Nakhon Ratchasima |
Teerasak Po-on (th|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.
Teerasak played for Thailand at the 1997 FIFA U-17 World Championship in Egypt.
In 2012, it was announced that Teerasak become player-manager of his first club Chiangrai United.In 2014, it was announced that Po-on would be the head coach at Chiangrai United for the next season, after retiring from professional football on the same day. He managed the team until 20 October 2016.
In 2016, Teerasak Po-on was appointed to be the head coach of PTT Rayong. He led the team in 2018 Thai League 2 and led the team back to Thai League 1 again.
On 5 February 2023, Teerasak returned to Nakhon Ratchasima, agreeing a two-year contract to replace outgoing manager Kevin Blackwell. His first game in charge was a Thai FA Cup match on 8 February 2023 against Suphanburi, ending with a 5–1 victory for Nakhon Ratchasima.
On 21 April 2023, a Thai League 2 match against Nongbua Pitchaya ending with a 3–0 victory for Nakhon Ratchasima. As a result, the team won the Thai League 2 championship in the 2023–24 season, even though the last match was left to play against Chanthaburi because Nakhon Ratchasima had a better Head To Head result than Nongbua Pitchaya and was considered the first champion in 10 years for the team. [1]
| Team | From | To | Record | ||||
|---|---|---|---|---|---|---|---|
| Chiangrai United | 23 November 2013 | 20 October 2016 | |||||
| PTT Rayong | 2 November 2016 | 27 October 2019 | |||||
| Nakhon Ratchasima | 27 October 2019 | 8 March 2022 | |||||
| PT Prachuap | 15 June 2022 | 11 November 2022 | |||||
| Nakhon Ratchasima | 5 February 2023 | Present | |||||
| Total | |||||||
Krung Thai Bank
Chonburi
Thailand
PTT Rayong
Nakhon Ratchasima
Individual