Timboon is a town in the Western District of Victoria, Australia. The town is in the Shire of Corangamite local government area, and is approximately 213 kilometres (132 mi) south-west of the state capital, Melbourne. At the 2001 census, Timboon had a population of 787. At the 2006 census, Timboon had a population of 871. During the 2016 census Timboon had a population of 1,202. As of 2021, Timboon had a hearty population of 1,250, however this represents a significant decline in growth when compared to the 2006-2016 run.

The Western District comprises western regions of the Australian state of Victoria. It is said to be an ill–defined district, sometimes incorrectly referred to as an economic region,. The district is located within parts of the Barwon South West and the Grampians regions; extending from the south-west corner of the state to Ballarat in the east and as far north as Ararat. The district is bounded by the Wimmera district in the north, by the Goldfields district in the east, by Bass Strait and the Southern Ocean in the south, and by the South Australian border in the west. The district is well known for the production of wool. The most populated city in the Western District is the Ballarat region, with 96,940 inhabitants.