Gratien Gélinas (December 8, 1909 – March 16, 1999) was a Canadian writer, playwright, actor, director, producer and administrator who is considered one of the founders of modern Canadian theatre and film.

His major works include Tit-Coq (1948), Bousille et les Justes (1959), and Hier, les enfants dansaient (1968). He also wrote a series of satirical revues known as the Fridolinades.