Borduas is a provincial electoral district in the Montérégie region of Quebec, Canada that elects members to the National Assembly of Quebec.

It notably includes the municipality of Beloeil, Mont-Saint-Hilaire and Otterburn Park.

It was created for the 1994 election from Verchères and Iberville.

In the change from the 2001 to the 2011 electoral map, it gained Saint-Antoine-sur-Richelieu, Saint-Charles-sur-Richelieu, Saint-Denis-sur-Richelieu, Sainte-Madeleine, Saint-Marc-sur-Richelieu, and Sainte-Marie-Madeleine from the Verchères electoral district.

^ Change is from redistributed results.