At least three ships of the British Royal Navy have been named HMS Locust, for the insect.

• HMS Locust (1801) was a 14-gun brig, launched at Deptford in 1801, that served in the Channel and was sold in 1814.
• HMS Locust (1840) was a paddle-steamer Lizard-class gunvessel, launched in 1840 and sold in 1895.
• HMS Locust (1896) was an Earnest-class destroyer (later grouped into the 30-knot, 4-funnel B-class grouping). She was completed in 1896 and scrapped in 1919.
• HMS Locust (T28) was a Dragonfly-class river gunboat, launched in 1939 and broken up in 1968.

• Colledge, J. J.; Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8.
• Winfield, R.; Lyon, D. (2004). The Sail and Steam Navy List: All the Ships of the Royal Navy 1815–1889. London: Chatham Publishing. ISBN 978-1-86176-032-6. OCLC 52620555.

List of ships with the same or similar names

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.