Seri Wangnaitham (Thai: เสรี หวังในธรรม, January 3, 1937 – February 1, 2007, Bangkok, Thailand) was a Thai choreographer and performer of Thai traditional dance. Seri was considered a master khon dancer, which is regarded as Thailand's highest performing art form. He was also an actor, playwright, director, songwriter, poet, and television producer. He was named a National Artist in 1988.