The Shire of Donnybrook was a local government area in Western Australia.
It was based in the town of Donnybrook.
[1] It was established as the Preston Road District on 10 July 1896.
[2] It was declared a shire and named the Shire of Donnybrook with effect from 1 July 1961 following the passage of the Local Government Act 1960, which reformed all remaining road districts into shires.
[2] It amalgamated with the Shire of Balingup to form the modern Shire of Donnybrook-Balingup on 26 March 1970, although the amalgamated shire retained the "Shire of Donnybrook" name until adopting its current name on 17 July 1970.