Monique Guay (born October 27, 1959) is a Quebec politician. She was the Bloc Québécois Member of Parliament for the riding of Rivière-du-Nord.Born in L'Île-Bizard, Quebec, she was an administrator and businesswoman before she was first elected in 1993 for the riding of Laurentides. She was re-elected in 1997, 2000, and 2004. From 2002 to 2004, she was the Bloc Québécois Caucus Chair. From 2004, she is the Bloc Québécois Deputy House Leader.