LeMoyne (also known as Ville LeMoyne) is a former city on the South Shore of Montreal. It is currently a neighbourhood in Longueuil, Quebec, and is part of the borough of Le Vieux-Longueuil. LeMoyne makes up 2% of the total area of Le Vieux-Longueuil borough and is the only neighbourhood of the borough that was not part of the pre-2002 city of Longueuil.