The Town of St Arnaud was a local government area about 240 kilometres (149 mi) northwest of Melbourne, the state capital of Victoria, Australia.

The town covered an area of 25.92 square kilometres (10.0 sq mi), and existed from 1861 until 1994.

St Arnaud was first incorporated as a municipal district on 16 August 1861.

[2] On 20 January 1995, the Town of St Arnaud was abolished, and along with the City of Stawell and parts of the Shires of Ararat, Avoca, Donald, Dunmunkle, Kara Kara, Stawell and the Grampians National Park section of the Shire of Wimmera, was merged into the newly created Shire of Northern Grampians.

[3] The Town of St Arnaud was not subdivided into wards, and the nine councillors represented the entire area.