Luc Desnoyers (born October 2, 1950) is a Canadian trade unionist and politician, who was elected to represent the electoral district of Rivière-des-Mille-Îles in the 2008 Canadian federal election.
He is a member of the Bloc Québécois.
After one term in office, he was defeated in the 2011 election by Laurin Liu of the New Democratic Party.