List of Famous people with last name Theriault

Roch Thériault was a Canadian cult leader who led the small religious group the Ant Hill Kids in Burnt River, Ontario, between 1977 and 1989. Thériault, a self-proclaimed prophet under the name Moïse, founded the doomsday cult in Quebec based on Seventh-day Adventist Church beliefs. Thériault maintained multiple wives and concubines, impregnating all female members as a religious requirement, and fathering 26 children. Thériault's followers, including 12 adults and 22 children, lived under his totalitarian rule at the commune and were subject to severe physical and sexual abuse.

Serge Thériault is a Canadian comedian and actor from Quebec. He is best known for his collaborations with Claude Meunier, including the Ding et Dong comedy duo and the spinoff television series La Petite Vie, in which he played the role of Môman.

L. Norbert Thériault was a Canadian politician.

Camille Henri Thériault served as the 29th Premier of the Canadian province of New Brunswick.