Dunwich is a town and locality on the western side of North Stradbroke Island in Queensland, Australia. Dunwich is part of the Redland City local government area, administered from the bayside town of Cleveland on the Queensland mainland. In the 2021 census, the locality of Dunwich had a population of 737 people. Dunwich is one of three towns on North Stradbroke Island- the others being Amity Point and Point Lookout.