Mount Burnett is a small country town and bounded locality located approximately 72 kilometres (45 mi) from Melbourne, in Victoria, Australia. The town has no post office or town centre. Most of the town is either farmland or rural housing. The town shares its postcode (3781) with neighbouring town Cockatoo. Mount Burnett is located in the Shire of Cardinia.
Gembrook West Post Office opened on 1 January 1885, was renamed Mount Burnett in 1921 and closed in 1978.