HMS Leonidas was a Laforey-class destroyer built by Parsons Marine Steam Turbine Company

She served in World War I with the 3rd Destroyer Flotilla and as a convoy escort and was broken up in 1922. HMS Leonidas took part in a battle off Noorhinder Bank on 1 May 1915 when together with three other destroyers, HMS Laforey, HMS Lawford and HMS Lark, she was dispatched to go to the aid of four British armed trawlers which had engaged two German torpedo boats, A2 and A6. HMS Leonidas also served at the first battle of Heligoland Bight.