St Michael's Cathedral is a heritage-listed Anglican cathedral at Church Street, Wollongong, City of Wollongong, New South Wales, Australia. It is the principal Anglican church in the city of Wollongong and the mother-church of the Bishop of Wollongong (an assistant bishop in the Anglican Diocese of Sydney). It was designed by Edmund Blacket and built from 1858 to 1859. The property is owned by the Anglican Church Property Trust. It was added to the New South Wales State Heritage Register on 2 April 1999.