Toowoomba City Hall is a heritage-listed town hall at 541 Ruthven Street, Toowoomba, Toowoomba Region, Queensland, Australia. It was designed by Willoughby Powell and built in 1900 by Alexander Mayne. It is also known as Toowoomba Town Hall. It was added to the Queensland Heritage Register on 21 October 1992. It is the third town hall in Toowoomba and the building was the location for the proclamation that Toowoomba was a city and was the first purpose built city hall ever constructed in Queensland.