USS Jennings County (LST-846) was an LST-542-class tank landing ship built for the United States Navy during World War II. Named after Jennings County, Indiana, she was the only U.S. Naval vessel to bear the name. Originally laid down as LST-846 by the American Bridge Company of Ambridge, Pennsylvania on 27 October 1944; the ship was launched on 12 December, sponsored by Mrs. L. P. Quill; and commissioned on 9 January 1945.