Italian battleship Re Umberto
 Re Umberto (King Humbert) was a Re Umberto-class pre-dreadnought battleship built for the Italian Navy in the 1880s. She was the lead ship of her class. She was laid down in 1884; work proceeded so slowly that she was not finished until 1893.Re Umberto carried out various duties during her service career including large-scale fleet maneuvers and diplomatic missions in Europe.