The Regina Elena class was a group of four pre-dreadnought battleships built for the Italian Regia Marina between 1901 and 1908. The class comprised four ships: Regina Elena, the lead ship, Vittorio Emanuele, Roma, and Napoli. Designed by Vittorio Cuniberti, they were armed with a main battery of two guns and twelve guns, and were capable of a top speed of . They were the fastest battleships in the world at the time of their commissioning, faster even than the British turbine-powered HMS Dreadnought.