Denise Beaudoin (born February 24, 1949) is a Canadian businessperson, lawyer, and former politician. She was first elected to represent the riding of Mirabel in the National Assembly of Quebec in the 2003 provincial election, but was defeated in the 2007 provincial election by François Desrochers of the Action démocratique du Québec. She was subsequently re-elected in the 2008 provincial election, 2012 provincial election and defeated again in the 2014 provincial election by Sylvie D'Amours of the Coalition Avenir Québec. She is a member of the Parti Québécois.