| 释义 |
{{Use dmy dates|date=January 2017}}{{Use British English|date=January 2017}} Seven ships of the Royal Navy have borne the name HMS Onyx, after the mineral Onyx. Another was renamed before being launched: - {{HMS|Onyx|1808}} was a 10-gun {{sclass-|Cherokee|brig-sloop}} launched in 1808 and sold in 1819.
- {{HMS|Onyx|1822}} was a 10-gun Cherokee-class brig-sloop launched in 1822 and sold in 1837.
- {{HMS|Onyx|1845}} was an iron paddle packet launched in 1845 and sold in 1854.
- {{HMS|Onyx|1856}} was a {{sclass-|Cheerful|gunboat|0}} wooden screw gunboat launched in 1856. She became a dockyard craft in 1869 and was broken up in 1873.
- {{HMS|Onyx|1892}} was a torpedo gunboat launched in 1892. She became a depot ship in 1907 and was renamed HMS Vulcan II in 1919. She was sold in 1924.
- {{HMS|Onyx|J221}} was an {{sclass-|Algerine|minesweeper}} launched in 1942 and scrapped in 1967.
- HMS Onyx was to have been an {{sclass-|Oberon|submarine}}. She was transferred to the Royal Canadian Navy and renamed {{HMCS|Ojibwa|S72|6}} before her launch in 1964.
- {{HMS|Onyx|S21}} was an Oberon-class submarine launched in 1967. She was decommissioned in 1990 and handed over to the Warship Preservation Trust in 1991.
{{Shipindex}}{{Italic title prefixed|3}}{{DEFAULTSORT:Onyx, Hms}} 1 : Royal Navy ship names |