Louise Forestier (born Louise Belhumeur on August 10, 1942) is a Canadian singer, songwriter and actress.

Born in Shawinigan, Quebec, Canada, Forestier was trained in acting at the National Theatre School in Montreal, but it was as a singer that she first became known in 1966, when she received the Renée Claude Trophy from Le Patriote, a boîte à chansons in east-end Montreal, and was named Discovery of the Year on the Radio-Canada TV program Jeunesse Oblige.