Jadet Meelarp (; born January 17, 1972), simply known as Sir Det (), is a Thai professional football manager who is the head coach of Thai League 3 club Navy.
During 2021 to 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 in their first season in Asian competition, overcoming a strong Melbourne Victory outfit 3-1 in a game played in Bangkok. In 2017 Jadet became manager of Port after their former manager, Kiatisak Senamuang, resigned. In 2018 he got new footballers: Dragan Boskovic, Nurul Sriyankem, Kim Sung-Hwan, Terens Puhiri, Kevin Deeromram and Worawut Namvech.
Chonburi
Muangkan United
Individual