USS Cavalier (AP-82/APA-37) was a Bayfield-class attack transport in the United States Navy. She was named for Cavalier County, North Dakota. Cavalier was reclassified APA-37, 1 February 1943; launched 15 March 1943 by the Western Pipe and Steel Company, San Francisco, California; sponsored by Mrs. M. W. Jackson; acquired 19 July 1943; fitted out as an attack transport by Bethlehem Steel Co., Hoboken, New Jersey; and commissioned 15 January 1944, Captain R. T. Mc-Elliott, USCG, in command.