Narrabri Shire is a local government area in the North West Slopes region of New South Wales, Australia. The Shire is located adjacent to the Namoi River and the Newell and Kamilaroi Highways.
It was formed on 1 January 1981 from the amalgamation of the Municipality of Narrabri and Namoi Shire resulting from the Local Government Areas Amalgamation Act 1980.
The Mayor of Narrabri Shire Council is Cr. Cathy Redding, who is an Independent.