HMS Tuna has been the name of more than one ship of the British Royal Navy, and may refer to:
- HMS Tuna (1915), a torpedo boat purchased c. 1915 and sold in 1920
- HMS Tuma (1940), a storeship requisitioned 1940–1941
- HMS Tuna (N94), a submarine commissioned in 1940 and scrapped in 1945
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.