Marie José Thériault (born March 21, 1945) is a Quebec writer, performer and translator.
In 1968, she also began singing professionally, going on to perform on radio and television and also producing a number of recordings.
In 1987, she founded the publishing house Les Éditions Sans Nom, which mainly produces artist's books.
Her novel Les Demoiselles de Numidie (1984) was shortlisted for the Governor General's Award for French-language fiction.
In 1996, she received the Prix Les Mots d'or, awarded by the APFA (Action pour promouvoir le français des affaires), for her translation of Clicking by Faith Popcorn.