Two vessels of the British Royal Navy have been named HMS Acacia.
- HMS Acacia (1915), an Acacia-class sloop launched in 1915 and sold in 1922.
- HMS Acacia (T02), a Tree-class trawler launched in 1940 and sold in 1946.
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.