Two ships of the Royal Navy have borne the name HMS Otus:
Twelve ships of the Royal Navy have borne the name HMS Thetis, named after the sea-nymph in Greek mythology:
Nine ships of the Royal Navy have been named HMS Conqueror, and another was planned:
Sixteen vessels and two shore establishments of the Royal Navy have been named HMS Phoenix, after the legendary phoenix bird.
Eight ships or submarines of the Royal Navy have been named HMS Anson, after Admiral George Anson:
Five ships of the Royal Navy have been named HMS Achates after Achates, a character in Roman mythology. A sixth was planned but never completed:
Several ships of the Royal Navy have been named HMS Nautilus, after the Greek word for a sailor, including:
Six ships of the Royal Navy have been named HMS Amethyst, whilst another was planned:
Ten ships of the Royal Navy have been named HMS Pandora after the mythological Pandora. Another was planned, but the name was reassigned to another ship:
Seven ships of the Royal Navy have been named HMS Orpheus. Orpheus was the magical father of songs in Greek mythology.
Thirteen ships of the Royal Navy have borne the name HMS Vigilant:
Eight ships of the Royal Navy have borne the name HMS Bonaventure, and another was planned:
Five ships of the Royal Navy have borne the name HMS Sentinel:
Nine ships of the Royal Navy have borne the name HMS Undaunted:
Eleven ships of the Royal Navy have borne the name HMS Porpoise, after the marine mammal, the porpoise:
Eight ships of the Royal Navy have borne the name HMS Undine, after the Ondines of mythology:
Seven ships of the Royal Navy have borne the name HMS Hazard:
Seven ships of the Royal Navy have borne the name HMS Sibyl or HMS Sybille, named for the Greek mythological figures, the Sibyls :
Seven ships of the Royal Navy have been named HMS Rover:
HMS Otus was an O-class submarine of the Royal Navy. She was laid down by Vickers-Armstrongs of Barrow-in-Furness on 31 May 1927, launched on 31 August 1928 and commissioned on 5 July 1929.