The Shire of Romsey was a local government area about 65 kilometres (40 mi) north-north-west of Melbourne, the state capital of Victoria, Australia.

The shire covered an area of 628 square kilometres (242.5 sq mi), and existed from 1862 until 1995.

Romsey was incorporated as a road district on 5 August 1862, and became a shire on 16 June 1871.

Parts of Romsey was annexed to the Shire of Kilmore on 28 May 1958.

[3] The Shire of Romsey was divided into four ridings on 7 February 1978, each of which elected three councillors: * Council seat.