The fourth HMS "Ocean" was a pre-dreadnought battleship of the British Royal Navy and a member of the . Intended for service in Asia, "Ocean" and her sister ships were smaller and faster than the preceding s, but retained the same battery of four guns. She also carried thinner armour, but incorporated new Krupp steel, which was more effective than the Harvey armour used in the "Majestic"s. "Ocean" was laid down in December 1897, launched in July 1898, and commissioned into the fleet in February 1900.