Jadet Meelarp (Thai: จเด็จ มีลาภ; born January 17, 1972), simply known as Sir Det (Thai: เซอร์เด็จ), is a Thai professional football manager who is head coach of Thailand U17.

During 2021-2022 he was the assistant manager to Alexandré Pölking with the Thailand national team.

Jadet took over the role from Thai footballer and manager Withaya Laohakul who went on to coach in Japan.

Jadet led Chonburi[1] in their first season in Asian competition, overcoming a strong Melbourne Victory outfit 3-1 in a game played in Bangkok.

[2] In 2018 he got new footballers: Dragan Boskovic, Nurul Sriyankem, Kim Sung-Hwan, Terens Puhiri, Kevin Deeromram and Worawut Namvech.