Subtle has been the name of more than one ship of the British Royal Navy, and may refer to:
Nine ships of the Royal Navy have been named HMS Magpie, after the bird, the magpie:
Four ships of the British Royal Navy have been named HMS Caesar, after the Roman general and dictator Julius Caesar.
Thirteen ships of the Royal Navy have borne the name HMS Vigilant:
Sixteen ships of the Royal Navy have borne the name HMS Wolf or HMS Woolf, after the mammal the wolf:
Eighteen ships of the Royal Navy have borne the name HMS Mercury, or HMS Mercure, after the God Mercury, of Roman mythology:
Eight ships of the Royal Navy have borne the name HMS Siren, Syren or Sirene, after the Sirens of Greek mythology:
Ten ships of the Royal Navy have borne the name HMS Blanche:
Four ships of the Royal Navy have borne the name HMS Boreas, after Boreas, the personification of the north wind in Greek mythology. A fourth was planned to bear the name, but never actually did:
Britannia may refer to any one of a large number of ships:
Several Royal Navy ships have borne the name HMS Proserpine:
Five ships of the Royal Navy have borne the name HMS Pike, after the Northern pike, a species of fish:
There have been twelve ships of the Royal Navy that have been named HMS Flying Fish, after the Flying Fish.
Four vessels of Britain's Royal Navy have borne the name HMS Dominica, named for the island of Dominica.
A number of ships of the Royal Navy have borne the name HMS Diligent.
The French schooner Impériale was a 3-gun mercantile schooner-aviso of the French Navy commissioned at Guadeloupe on 23 September 1805. The Royal Navy captured her on 24 May 1806 and named her HMS Vigilant. The Navy renamed her HMS Subtle on 20 November 1806. She wrecked at Bermuda on 20 October 1807.
Several ships have been named Frederick:
Seven ships of the Royal Navy have been named Pigmy:
Several ships have been named Caesar for Julius Caesar:
Several vessels of the British Royal Navy have been named HMS Redridge: