Wollongong Breakwater Lighthouse, also known as Wollongong Harbour Lighthouse, is a historic lighthouse situated on the southern breakwater of the heritage-listed Wollongong Harbour, in Wollongong, New South Wales in Australia. Wollongong is the only place in the east of Australia to have two lighthouses located in close proximity of each other, the other being Wollongong Head Lighthouse. While no longer used, the lighthouse was restored in 2002 as operational and is listed an official local heritage building.

Edward Orpen Moriarty (1824–1896) MA MInstCE was an Australian civil engineer, who undertook a number of important public works in New South Wales in the late nineteenth century.