Six ships that were built for the Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 have borne the name HMS Ocean. The name Ocean entered the list from which names are selected for British ships in 1759, when the Royal Navy captured the French ship named Océan. The British studied the French technology of this ship and admired it, but the ship had to be in bad shape before it would be replaced by a new-build.

• The first Ocean, 90
  HMS Ocean (1761)
  HMS Ocean was a 90-gun second rate ship of the line of the Royal Navy, launched on 21 April 1761 at Chatham.She was sold out of the service in 1793....
  
   was a ship of the line
  Ship of the line
  A ship of the line was a type of naval warship constructed from the 17th through the mid-19th century to take part in the naval tactic known as the line of battle, in which two columns of opposing warships would manoeuvre to bring the greatest weight of broadside guns to bear...
  
   built in 1761.

• The second Ocean, 98
  HMS Ocean (1805)
  HMS Ocean was a 98-gun second-rate ship of the line of the Royal Navy, launched from Woolwich Dockyard on 24 October 1805. She was the only ship built to her draught, and designed by Sir John Henslow....
  
   was a ship of the line
  Ship of the line
  A ship of the line was a type of naval warship constructed from the 17th through the mid-19th century to take part in the naval tactic known as the line of battle, in which two columns of opposing warships would manoeuvre to bring the greatest weight of broadside guns to bear...
  
   launched in 1805, active in the Napoleonic Wars
  Napoleonic Wars
  The Napoleonic Wars were a series of wars declared against Napoleon's French Empire by opposing coalitions that ran from 1803 to 1815. As a continuation of the wars sparked by the French Revolution of 1789, they revolutionised European armies and played out on an unprecedented scale, mainly due to...
  
  , and later upgraded to a 110-gun first-rate
  First-rate
  First rate was the designation used by the Royal Navy for its largest ships of the line. While the size and establishment of guns and men changed over the 250 years that the rating system held sway, from the early years of the eighteenth century the first rates comprised those ships mounting 100...
  
  .

• The third Ocean
  HMS Ocean (1862)
  HMS Ocean was the last of the Royal Navy's three s to be completed in the mid-1860s. She was originally laid down as a 91-gun second-rate ship of the line, and was converted during construction to an armoured frigate. The ship spent the bulk of her career on the China Station and served as flagship...
  
   was originally ordered to be built as a Bulwark-class wooden screw line-of battle ship
  Bulwark class battleship (1859)
  The Bulwark class were the final class of wooden line-of-battle ships laid down for the Royal Navy. They were laid down after . In March 1861 their construction was suspended, and seven were later converted to iron-clads...
  
   intended to carry 91 guns. However, the order was changed and she was eventually launched in 1863 as a Prince Consort-class ironclad of 24 guns. In the late 1860s she served as flagship to the Commander in Chief of the China Station
  China Station
  The China Station was a historical formation of the British Royal Navy. It was formally the units and establishments responsible to the Commander-in-Chief, China....
  
   and after an active life of only six years, was paid off in 1872.

• The fourth Ocean
  HMS Ocean (1898)
  The fourth HMS Ocean was a Canopus-class battleship of the British Royal Navy.-Technical Description:HMS Ocean was laid down at Devonport Dockyard on 15 December 1897, launched on 5 July 1898, and completed in February 1900...
  
   was a Canopus class pre-dreadnought battleship
  Canopus class battleship
  The Canopus class was a group of six pre-dreadnought battleships of the Royal Navy which were designed by Sir William White for use in the Far East and entered service between 1899 and 1902. The lead ship was which was followed by , , , and...
  
   launched in 1898 and sunk by a mine
  Naval mine
  A naval mine is a self-contained explosive device placed in water to destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, an enemy vessel...
  
   in 1915.

• The fifth Ocean
  HMS Ocean (R68)
  HMS Ocean was a Royal Navy Colossus-class light fleet aircraft carrier of 13,190 tons built in Glasgow by Alexander Stephen and Sons. Her keel was laid in November 1942, and she was commissioned on 30 June 1945....
  
   was an Colossus class aircraft carrier
  Colossus class aircraft carrier
  The 1942 Design Light Fleet Carrier, commonly referred to as the British Light Fleet Carrier, was a light aircraft carrier design created by the Royal Navy during World War II, and used by eight naval forces between 1944 and 2001...
  
   completed in 1945, served in the Korean War
  Korean War
  The Korean War was a conventional war between South Korea, supported by the United Nations, and North Korea, supported by the People's Republic of China , with military material aid from the Soviet Union...
  
   as an aircraft carrier, and the Suez Crisis
  Suez Crisis
  The Suez Crisis, also referred to as the Tripartite Aggression, Suez War was an offensive war fought by France, the United Kingdom, and Israel against Egypt beginning on 29 October 1956. Less than a day after Israel invaded Egypt, Britain and France issued a joint ultimatum to Egypt and Israel,...
  
   as a helicopter platform and was scrapped in 1962

• The sixth and current Ocean
  HMS Ocean (L12)
  HMS Ocean of the Royal Navy is an amphibious assault ship , the sole member of her class. She is designed to support amphibious landing operations and to support the staff of Commander UK Amphibious Force and Commander UK Landing Force...
  
   is a Landing Platform, Helicopter
  Landing Platform, Helicopter
  LPH is the hull classification used by a number of the world's navies to designate a type of amphibious warfare ship designed primarily to operate as a launch and recovery platform for helicopters and other VTOL aircraft...
  
  (LPH) launched in 1995 and currently in service.