USS LST-991 was an LST-542-class tank landing ship in the United States Navy. Like many of her class, she was not named and is properly referred to by her hull designation. LST-991 was laid down on 26 February 1944 at the Boston Navy Yard; launched on 27 March 1944; sponsored by Dorothy Ann Govostes; and commissioned on 6 May 1944, with Lieutenant Randall R. Shake, USNR, in command.