Six ships (and one shore establishment) of the Royal Navy have borne the name HMS Sphinx or HMS Sphynx, after the mythical creature, the Sphinx:
HMS Sphinx was a 24-gun sixth rate launched in 1748 and sold in 1770.
HMS Sphinx was a 20-gun sixth rate launched in 1775. The French captured her in September 1779, but HMS Proserpine recaptured her on 29 November 1779. She was broken up in 1811.
HMS Sphynx was a 10-gun Cherokee-class brig-sloop launched in 1815 and sold in 1835.
HMS Sphynx was a wooden paddle sloop launched in 1846 and broken up in 1881.
HMS Sphinx was a composite paddle vessel launched in 1882 and sold in 1919.
HMS Sphinx was an Halcyon-class minesweeper launched in 1939, and foundered in 1940 after an air attack.
HMS Sphinx was the name given to an naval accommodation camp in Alexandria, Egypt, from April 1941.
