📌 The Canadian federal electoral district of Chambly—Borduas was contested in the 2011 election.

🏆 Matthew Dubé, the NDP-New Democratic Party candidate, won the riding with 29,591 votes (42.8% of the vote).

🥈 The runner-up was Yves Lessard (Bloc Québécois) with 19,147 votes (27.7%), defeated by a margin of 10,444 votes.

📊 Other notable candidates: Jean-François Mercier (Independent, 11%), Bernard DeLorme (Liberal, 9%) and Nathalie Ferland Drolet (Conservative, 8%).