HMAS Kooronga was a 60-ton tug boat and training ship operated by the Royal Australian Navy (RAN). She was constructed at the Williamstown Dockyard, Victoria in 1917. Kooronga was commissioned on 6 June 1924 and named Cerberus II as a tender at the Flinders Naval Depot. The vessel was later renamed HMAS Kooronga. She ran aground in the Port Phillip channel and was stranded from 28 June until 14 July 1940. Upon being refloated she was refitted out.Kooronga remained in RAN service until 1947.