Drouin is a major service town, located in the West Gippsland region, east of Melbourne, in the Australian state of Victoria. Its local government area is the Shire of Baw Baw. The town is supposedly named after a Frenchman who invented a chlorination process for the extraction of ore or an Aboriginal word meaning "north wind". New housing developments have accelerated the town's residential growth in recent years. As at the 2011 census, Drouin had a population of people.