HMAS Silver Cloud (Q52) was a channel patrol boat operated by the Naval Auxiliary Patrol of the Royal Australian Navy (RAN) during World War II. Silver Cloud was a 40 ft cruiser built in 1933 by Lars Halvorsen and Sons. She was requisitioned and later commissioned by the RAN as a channel patrol boat. Silver Cloud was destroyed by fire and burnt to the waterline at Sydney on 12 July 1943 and scrapped on 22 July 1943.