The Dragonfly class was a class of twin shaft river gunboats of the Royal Navy. Six were planned and five were built: of those five, four were lost in the Second World War. One of the four was HMS Scorpion, a slightly upgunned and better powered version.

Ships Ship nameLaid downCompletedFateNotes Dragonfly December 1937 June 1939 Lost in the Banka Strait, 14 February 1942. Grasshopper December 1937 June 1939 Lost in the Banka Strait, 14 February 1942. Locust November 1938 May 1940 Sold for scrap, 1968 A quadruple 2-pound "pompom" gun was fitted instead of the 3.7 (94 mm) howitzer.

Later refitted with 3 20 mm guns and 20 depth charges. became a headquarters ship in 1944. Mosquito December 1938 April 1940 Lost off Dunkirk, 1 June 1940 A quadruple 2-pound "pompom" gun was fitted instead of the 3.7 (94 mm) howitzer. Scorpion 1937 November 1938 Lost in the Banka Strait, 13 February 1942. Was an upgunned variant of the class Bee n/a n/a Cancelled, March 1940

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