Carbunup River is a small town in the South West region of Western Australia. At the 2021 census, it had a population of 112. It is situated between Dunsborough and Margaret River on the banks of the Carbunup River. The townsite was declared in 1926 as Carbunup but the name was changed in 1958 to Carbunup River to prevent confusion with the town of Carbarup near Mount Barker.