A midshipman is an officer cadet, or a commissioned officer of the lowest rank, in the Royal Navy, United States Navy, and many Commonwealth navies. Midshipman or midshipmen may also refer to: Midshipman (horse), an American Thoroughbred racehorse Midshipman fish, a member of the genus Porichthys of toadfishes Navy Midshipmen, the sports teams of the United States Naval Academy The Midshipman, a 1925 American silent film