List of dreadnought battleships of the Royal Navy information

Ships of the Royal Navy
Ships by name: A B C D–F G–H I–L M–N O–Q R–T U–Z
fleet aircraft carriers escort carriers seaplane carriers amphibious assault shipping battlecruisers dreadnought battleships pre-dreadnought battleships ironclads bomb vessels breastwork monitors corvettes and sloops cruisers destroyers torpedo boats fireships frigates gun-brigs gunboats and gunvessels mine countermeasure vessels monitors patrol and attack craft royal yachts ships of the line submarines support ships survey vessels shore establishments hospitals and hospital ships air stations aircraft wings fleets and major commands squadrons and flotillas early English ships (1409–1660) early Scots ships (1329–1707)
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This is a list of dreadnought battleships of the Royal Navy of the United Kingdom.

In 1907, before the revolution in design brought about by HMS Dreadnought of 1906, the United Kingdom had 62 battleships in commission or building, a lead of 26 over France and 50 over the German Empire.^[1] The launch of Dreadnought in 1906 prompted an arms race with major strategic consequences, as countries built their own dreadnoughts. Possession of modern battleships was not only vital to naval power, but also represented a nation's standing in the world. Germany, France, the Russian Empire, Japan, Italy, Austria-Hungary, and the United States all began dreadnought programmes; second-rank powers including the Ottoman Empire, Argentina, Brazil, and Chile commissioned dreadnoughts to be built in British and American shipyards.^[2]

The Royal Navy at the start of the First World War was the largest navy in the world due, in the most part, to The Naval Defence Act 1889 formalising the adoption of the "two-power standard" which called for the navy to maintain a number of battleships at least equal to the combined strength of the next two largest navies.^[3] The majority of the Royal Navy's strength was deployed at home in the Grand Fleet, with the primary aim of drawing the German High Seas Fleet into an engagement. The capital ships of the Royal Navy and the German Imperial Navy did come into contact on occasions, notably in the Battle of Jutland,^[4] but there was no decisive naval battle where one fleet came out the victor.

The inter-war period saw the battleship subjected to strict international limitations to prevent a costly arms race breaking out.^[5] Faced with the prospect of a naval arms race against Great Britain and Japan, which would in turn have led to a possible Pacific war, the United States was keen to conclude the Washington Naval Treaty of 1922. This treaty limited the number and size of battleships that each major nation could possess, and required Britain to accept parity with the U.S. and to abandon the British alliance with Japan.^[6] The Washington treaty was followed by a series of other naval treaties to limit warship size and numbers, concluding with the Second London Naval Treaty in 1936. These treaties became effectively obsolete on 1 September 1939 at the beginning of Second World War.^[7]

The treaty limitations meant that fewer new battleships were launched from 1919–1939 than from 1905–1914. The treaties also inhibited development by putting maximum limits on the weights of ships and forced the Royal Navy into compromise designs for the Nelson and King George V classes. Designs like the projected British N3-class battleship continued the trend to larger ships with bigger guns and thicker armour, but never got off the drawing board. Those designs which were commissioned during this period were referred to as treaty battleships.^[8] After the Second World War, the Royal Navy's four surviving King George V-class ships were scrapped in 1957 and Vanguard followed in 1960.^[9] All other surviving British battleships had been sold or broken up by 1949.^[10]