Teerasak Po-on

Teerasak Po-on (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.

International career
Teerasak played for Thailand at the 1997 FIFA U-17 World Championship in Egypt.

Chiangrai United
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.

PTT Rayong
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.

Return to Nakhon Ratchasima
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.

Player
Krung Thai Bank
 * Thai Premier League: 2003–04

Chonburi
 * Thai Premier League: 2007
 * Kor Royal Cup: 2008, 2009

Thailand
 * AFC U-17 Championship runners-up: 1996

Manager
PTT Rayong
 * Thai League 2: 2018

Nakhon Ratchasima
 * Thai League 2: 2023–24

Individual
 * Thai League 1 Coach of the Month: March 2016, March 2023