Timbrebongie Shire was a local government area in the Orana region of New South Wales, Australia.
Timbrebongie Shire was proclaimed on 7 March 1906, with offices based in the town of Narromine.[1]
The Local Government Areas Amalgamation Act 1980 saw the amalgamation of Timbrebongie Shire with the Municipality of Narromine to form Narromine Shire on 1 January 1981.[2]