Tatchakorn Yeerum (Thai: ทัชชกร ยีรัมย์; RTGS: Thatchakon Yiram; pronounced [tʰát.t͡ɕʰā.kɔ̄ːn jīː.rām]; formerly Phanom Yeerum (Thai: พนม ยีรัมย์; [pʰā.nōm jīː.rām]); born 5 February 1976), better known internationally as Tony Jaa and in Thailand as Jaa Phanom (Thai: จา พนม; RTGS: Cha Phanom; [t͡ɕāː pʰā.nōm]), is a Thai martial artist, actor, action choreographer, stuntman, director and former Buddhist monk. His films include Ong-Bak: Muay Thai Warrior (2003), Tom-Yum-Goong (2005), Ong Bak 2: The Beginning (2008), Furious 7 (2015) and SPL II: A Time for Consequences (2015).
Jaa began training in Muay Thai at the local temple from age 10 and at age 15 he requested to become a protégé of stuntman and action film director Panna Rittikrai. Panna had instructed Jaa to attend Maha Sarakham College of Physical Education in Maha Sarakham Province from which he graduated with a bachelor's degree.