Sagat Petchyindee (สกัด เพชรยินดี; born Wirun Phonphimai (วิรุฬห์ ผลพิมาย) on November 30, 1957), also known as Sagat Phonthawee (สกัด พรทวี), is a Thai former professional boxer, Muay Thai fighter, actor and trainer who is considered one of the greatest Muay Thai fighters of all time. He was a 3 time Lumpinee Champion, 3 time Rajadammern Champion and Muay Thai and Kickboxing World Champion.