USS Hamner (DD-718) was a Gearing-class destroyer in the United States Navy during the Korean War and the Vietnam War. She was named for Henry Rawlings Hamner. Hamner was launched on 24 November 1945 by the Federal Shipbuilding and Drydock Company, Port Newark, New Jersey; sponsored by Mrs. Henry Rawlings Hamner, wife of Lt. Hamner; and commissioned on 12 July 1946, Commander Joseph B. Swain in command.