There have been two ships of the Royal Navy named HMS Opal:
- HMS Opal (1875), an Emerald-class steam corvette launched in 1875 and sold for scrap in 1891.
- HMS Opal (1915), an Admiralty M-class destroyer launched in 1915 and wrecked in the North Sea in 1918.
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.