Vithaya Pansringarm (, ; born 11 August 1959) is a Thai actor best known for appearing in Only God Forgives. He is also known in Thailand as "Khun Pu".
Vithaya graduated in Graphic Design from New York Institute of Technology. He has practiced martial arts for more than thirty years and holds a 5th degree black belt (5 dan) in the Japanese martial art kendo and is president of the Thailand Kendo Club.
In June 2014, he won Best Actor at the Shanghai International Film Festival for his role as Chavoret in The Last Executioner, a film based on the true life story of Thailand's last person to carry out executions by gun. The film also won 'Best Picture' and 'Best Screen Play' at the 30th Surasawadi Awards in 2015.
Pansringarm is married to Fay Stombler Pansringarm, an American ballerina, who he has met in 1984 while living in New York. In 1987, the couple has moved to Bangkok, Thailand, where they have founded Rising Star Dance Studio in 1996.