HMAS Marlean

HMAS Marlean (Q20) was a channel patrol boat operated by the Naval Auxiliary Patrol of the Royal Australian Navy (RAN) during World War II. She was a private vessel built by J. Williams & Sons in 1938. She was requisitioned and later commissioned by the RAN as a channel patrol boat. Marlean earned one battle honours for her wartime service, "Darwin 1942".

Fate
Marlean was burnt down to the waterline while in Sydney Harbour on 12 November 1944.