Download coordinates as: Cooladdi is a rural town and locality in the Shire of Murweh, Queensland, Australia.

The Western railway line passes from east to west through the town and locality.

The locality was served by a number of railway stations (from east to west):[7] The Diamantina Developmental Road (which forms part of the 1578 kilometre (980 mi) Warrego Way State Strategic Touring Route between Brisbane and Birdsville) also passes from east to west through the town and locality.

However, it was renamed in 1913 to Cooladdi, an Aboriginal word meaning black duck, to avoid confusion with the pastoral station, which was 15 miles away.

At one time, Cooladdi had a school, post office, and police station with a population of about 270 people.