The City of Toowoomba was a local government area in the Darling Downs region of Queensland, Australia, encompassing the centre and inner suburbs of the regional city of Toowoomba. The City covered an area of 116.5 square kilometres (45.0 sq mi), and existed as a local government entity in various forms from 1860 until 2008, when it amalgamated with several other councils in the surrounding area to form the Toowoomba Region.

Toowoomba is a city in the Darling Downs region of Queensland, Australia. It is 125 km (78 mi) west of Queensland's capital city, Brisbane by road. The urban population of Toowoomba as of the 2021 census was 142,163, having grown at an average annual rate of 1.45% over the previous two decades. Toowoomba is the second-most-populous inland city in the country after the nation's capital of Canberra, and hence the largest city on the Darling Downs. It is the second largest regional centre in Queensland, often referred to as the capital of the Darling Downs. It is also the council seat of the eponymously named Toowoomba Region.