Montmorency is a suburb of Melbourne, Victoria, Australia, 18 km (11 mi) north-east from Melbourne's Central Business District. Its local government area is the City of Banyule. At the 2011 Census, Montmorency had a population of 8,759.
Montmorency was named after a local farm, Montmorency Estate, which in turn was named for the town of Montmorency, Val-d'Oise, where the French Enlightenment philosopher Jean-Jacques Rousseau lived briefly. Locals of Montmorency often refer to the suburb as 'Monty', and the nickname is incorporated into some local business names.