Cairns Court House Complex is a heritage-listed site incorporating a former courthouse and a former public administration building (now an art gallery) at 38 - 40 Abbott Street, Cairns, Cairns Region, Queensland, Australia. It was built from 1919 to 1921. It is also known as Cairns Regional Gallery and Cairns Public Offices. It was added to the Queensland Heritage Register on 21 October 1992.