The Shire of Perenjori is a local government area in the Mid West region of Western Australia, about 360 kilometres (224 mi) north of the state capital, Perth.

The Shire covers an area of 8,313 square kilometres (3,210 sq mi), and its seat of government is the town of Perenjori.

[2] On 18 September 2009, the Shires of Mingenew, Three Springs, Morawa and Perenjori announced their intention to amalgamate.

A formal agreement was signed five days later, and the name Billeranga was later chosen.

[3] However, by February 2011, community pressure had led to the negotiations stalling, and on 16 April 2011, voters from the Shire of Perenjori defeated the proposal at a referendum.