USS President Polk (AP-103) was a President Jackson-class attack transport in the service of the United States Navy during World War II. President Polk was laid down by the Newport News Shipbuilding and Drydock Company of Newport News, Virginia (MC hull 110) 7 October 1940; launched 28 June 1941; sponsored by Miss Patricia Kennedy. The ship was delivered to American President Lines (APL) in 1941 when she began operating as of 5 December as SS President Polk, a transport under government charter in the Pacific reinforcing Pacific bases, until 6 September 1943 when the ship was requisitioned and acquired by the Navy for conversion to a troop ship. The ship commissioned as at San Diego 4 October 1943. After the war she was returned to APL for commercial operations.