SS Thomas Sully was a Liberty ship built in the United States during World War II.

Thomas Sully was laid down on 16 June 1943, under a Maritime Commission (MARCOM) contract, MC hull 1205, by the St. Johns River Shipbuilding Company, Jacksonville, Florida; she was sponsored by Mildred Pepper, the wife of Claude Pepper, then Floridas junior United States senator, and launched on 11 September 1943.

On 18 May 1946, she was placed in the Hudson River Reserve Fleet, Jones Point, New York.

She was placed in the National Defense Reserve Fleet, Wilmington, North Carolina, 5 November 1946.

[4] Thomas Sully was renamed Actor and reflagged in Panama, in 1947.