HMS Kenilworth Castle (K420) was a Castle-class corvette of Britain's Royal Navy.
She was built by Smiths Dock Company at South Bank-on-Tees, launched on 17 August 1943 and commissioned on 14 November 1943.
In World War II she served as a convoy escort and participated in the sinking of two U-boats:
- U-744 was sunk by HMS Icarus, HMCS St. Catharines, HMCS Fennel, HMCS Chilliwack, HMCS Chaudiere, HMCS Gatineau and Kenilworth Castle on 6 March 1944
- U-1200 was sunk south of Ireland by HMS Pevensey Castle, HMS Launceston Castle, HMS Portchester Castle and Kenilworth Castle on 11 November 1944 - all in 30th Escort Group under Commander Denys Rayner
She was scrapped at Llanelli in June 1956.