Saint-Luc was a former town in southwestern Quebec, Canada on the Richelieu River.
On January 24, 2001, the towns of Saint-Luc, Saint-Athanase, Iberville, and L'Acadie merged into the city of Saint-Jean-sur-Richelieu.
Saint-Luc was located in Le Haut-Richelieu Regional County Municipality. Population: (2001) 20,573.
The Honore-Mercier School Commission, South Shore Protestant Regional School Board and the Chambly Catholic School Board previously served the municipality.
Coordinates: 45°21′41.2″N 73°18′18.6″W / 45.361444°N 73.305167°W