Hélène Baillargeon CM (1916–1997) was a Canadian singer, actor, and folklorist probably best known as the host of the CBC television show Chez Hélène from 1959 to 1973. She was born in Saint-Martin, Quebec, on 28 August 1916 and studied singing in Quebec City and New York City and then in Montreal with Alfred La Liberté. She went on to work as a researcher with Marius Barbeau at the National Museum of Canada in Ottawa (later the Canadian Museum of Civilization in Gatineau). In 1944, Baillargeon married André Côté, a Crown attorney in Montreal. She died in Montreal on 25 September 1997.