USS Shackle (ARS-9) was a Diver-class rescue and salvage ship commissioned by the U.S. Navy for service in World War II. She was responsible for coming to the aid of stricken vessels. Shackle (ARS-9) was laid down on 26 October 1942 by the Basalt Rock Company in Napa, California; launched on 1 April 1943; sponsored by Mrs. Walker Cochran; and commissioned on 5 February 1944.