USS Griffin (AS-13), originally Mormacpenn, a United States Maritime Commission Type C3 pre-war cargo ship, was launched by Sun Shipbuilding & Dry Dock, Chester, Pennsylvania, 11 October 1939. She served briefly with Moore-McConnack, Inc., was acquired by the Navy in 1940, renamed Griffin (AS-13) and converted to a submarine tender at , Brooklyn, N.Y. Griffin commissioned 31 July 1941. She was stricken in 1972 and transferred to MARAD. She was sold in 1973.