Gunnedah /ˈɡʌnədɑː/ is a town in north-eastern New South Wales, Australia and is the seat of the Gunnedah Shire local government area. In the 2011 census the town recorded a population of 7,888. Gunnedah is situated within the Liverpool Plains, a fertile agricultural region, with 80% of the surrounding shire area devoted to farming. The Namoi River flows west then north-west through the town providing water beneficial to agricultural operations in the area.
The Gunnedah area is a significant producer of cotton, coal, beef, lamb and pork, and cereal and oilseed grains. Gunnedah is also home to AgQuip, Australia's largest annual agricultural field day.
Gunnedah is located on the Oxley and Kamilaroi Highways providing convenient road links to much of the northern sector of the state including to the regional centre Tamworth, 75 kilometres (47 mi) distant. The town has a station on the Mungindi railway line and is served by the daily NSW TrainLink Xplorer passenger service to and from Sydney and Moree.
It claims the title "Koala Capital of World". That title is also claimed by the Port Stephens area north of Newcastle and Port Macquarie.