SS Mission Purisima was a Type T2-SE-A2 tanker built for the United States Maritime Commission during World War II.

Mission Purisma was laid down on 10 June 1943 under a Maritime Commission contract by Marinship Corporation, Sausalito, California; launched 25 August 1943, sponsored by Mrs. John Collins; and delivered 23 November 1943.

Chartered to Deconhill Shipping Company for operations, she carried fuel to allied forces in the Pacific and the Atlantic theaters until 27 April 1946, when she was returned to the Maritime Commission and laid up in the Maritime Reserve Fleet at Suisun Bay, California.

Reacquired by the Navy on 26 June 1956 she was placed in service with MSTS and served until returned to MARAD on 4 December 1957 and laid up at the Maritime Reserve Fleet at Suisun Bay.

This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.