Two ships of the Royal Navy have borne the name HMS Ursa, after the Latin for bear:
- HMS Ursa (1917) was a modified R-class destroyer launched in 1917 and sold in 1926.
- HMS Ursa (R22) was a U-class destroyer launched in 1943. She was converted into a Type 15 fast anti-submarine frigate between 1953 and 1955, and was sold in 1967.
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.