Vasse is a town in the South West region of Western Australia, 10 kilometres (6 mi) west of the town of Busselton and 240 kilometres (149 mi) southwest of Perth. Its local government area is the City of Busselton. At the 2011 census, Vasse had a population of 1,733.
The town is named after the Vasse River and Vasse Estuary, both of which in turn are named after French seaman, Thomas Vasse, who disappeared in the area in June 1801 during Nicolas Baudin's expedition. The population of Vasse was around 75 according to a 2001 estimate, but is expected to increase to around 5,000 on the completion of the Vasse Newtown Development by around 2012.