Patchata Janngeon (; born 22 October 1996), formerly Pattadon Janngeon (), nicknamed Fiat (), is a Thai actor, singer and dancer. He is known for his main role as Tee in the film Grean Fictions (2013) and supporting roles as Dae in SOTUS S (2017) and Korn in The Gifted (2018).
Patchata was born in Chiang Mai, Thailand. He attended Montfort College for his primary and secondary education. In 2019, he graduated with a bachelor's degree in film and digital media from the Faculty of Communication Arts in Sripatum University Bangkhen Main Campus where he was a first-class honor.