USS Thomas (DE-102) was a Cannon class destroyer escort in the United States Navy during World War II. She was laid down by Dravo Corp., Pittsburgh, Pa., on 16 January 1943; launched on 31 July 1943; and commissioned on 21 November 1943.

The Cannon class was a class of destroyer escorts built by the United States primarily for antisubmarine warfare and convoy escort service during World War II. The lead ship, USS Cannon, was commissioned on 26 September 1943 at Wilmington, Delaware. Of the 116 ships ordered, 44 were cancelled and six were commissioned directly into the Free French Forces. Destroyer escorts were regular companions escorting vulnerable cargo ships.