Marie Josephine Marguerite Blais (born September 12, 1950) is a Canadian politician, journalist, radio host and television host from Quebec. She was a Coalition Avenir Québec Member of the National Assembly of Québec and a previous Minister Responsible for Seniors and Informal Caregivers and Member of the Comité ministériel des services aux citoyens. She was a Liberal Member of the National Assembly of Quebec for the electoral division of Saint-Henri–Sainte-Anne in Montreal from 2007 to 2015, and served as the Minister responsible for Seniors, vice-chair of the Comité ministériel du développement social, éducatif et culturel and member of the Conseil du trésor.