André-Gilles Fortin (November 13, 1943 – June 24, 1977) was a Canadian politician. Fortin was a member of the House of Commons of Canada for Lotbinière. He was first elected in the 1968 federal election for the Ralliement Créditiste, which in 1971 merged with the Social Credit Party of Canada. Réal Caouette's son, Gilles Caouette, became acting leader of the party five days later.