Tancred was a salvage rescue tugboat operated by the Royal Navy (RN) between 1943 and September 1944 before being transferred to Australia.

She was laid down on 3 September 1942 by Gulfport Boiler & Welding Works, Port Arthur, Texas and launched on 1 January 1943 Commissioned as Tancred (W-104) under lend-lease on 18 February 1943 and served in the Atlantic Ocean.

Transferred to Australia on 2 September 1944 she was operated by the Australian Commonwealth Marine Salvage Board until she returned to the custody of the United States Navy on 2 September 1945 and again retransferred back to Australia on the same day.

She served with newly created Australian Salvage Board from 1949 and was later sold to the Department of Marine and Harbours, South Australia based at Port Adelaide.

Her wheelhouse is on display at the Austbuilt Maritime Museum, Peterhead.