USS Lady Thorne (SP-962) was a United States Navy patrol vessel in commission from 1917 to 1918. Lady Thorne was built as a private motorboat of the same name in 1908. On 22 June 1917, the U.S. Navy acquired her from her owner, R. C. Lamb of Elizabeth City, North Carolina, for use as a section patrol boat during World War I. She was enrolled in the Naval Coast Defense Reserve and commissioned as USS Lady Thorne (SP-962), with Chief Boatswain’s Mate Eugene L. de High, USNRF, in command. Assigned to the 5th Naval District, Lady Thorne served on patrol duties for the next several months.