USS Oswald A. Powers (DE-542) was a United States Navy John C. Butler-class destroyer escort launched during World War II but never completed. The name Oswald A. Powers was assigned to DE–542 on 28 September 1943. Oswald A. Powers was laid down at the Boston Navy Yard at Boston, Massachusetts, on 18 November 1943 and launched on 17 December 1943, sponsored by Mrs. Ella M. Powers, mother of Ensign Oswald A. Powers, the ship namesake.