Marie-Lucie Tarpent (born November 9, 1941) is a French-born Canadian linguist, formerly an associate professor of linguistics and French at Mount Saint Vincent University [MSVU], Halifax, Nova Scotia, Canada. She is known for her descriptive work on the Nisga'a language, a member of the Tsimshianic language family, and for her proof of the affiliation of the Tsimshianic languages to the Penutian language group.