HMAS Paterson (FY. 109) was a wooden auxiliary minesweeper operated by the Royal Australian Navy (RAN) during World War II. She was built in 1919-20 by T.F. Morrison, Sinclair & Company at Balmain. The ship operated as a coastal steamer and was requisitioned by the RAN in 1941. She was returned to her owners on 26 November 1945 before sinking near The Entrance, New South Wales on 11 June 1951.

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The ship initially became part of Minesweeping Group 54 stationed in Melbourne, from November 12, 1941, Paterson operated in Minesweeping Group 50 in Sydney. From February 12, 1942, it belonged to Minesweeping Group 77 stationed in Newcastle. Paterson was requisitioned by the RAN for use as an auxiliary and commissioned on 1 May 1941. She was returned to her owners in 1947. She was beached off Norah Head on 17 November 1947, after springing a leak and was later refloated. On 11 June 1951, Paterson was wrecked after sinking again off The Entrance.33°16′40″S 151°34′19″E / 33.277836°S 151.571896°E / -33.277836; 151.571896

• http://www.navyhistory.org.au/1-may-1941/