Five ships of the Royal Navy have borne the name HMS Southsea Castle, named after Southsea Castle on Portsea Island, Hampshire, England: , a 32-gun fifth-rate frigate launched in 1696 at Redbridge. On 15 September 1697 she was wrecked on the coast of England near Hoylake. , a 32-gun fifth-rate frigate launched in 1697 at Deptford Dockyard. On 12 November 1699 she was wrecked together with on Île-à-Vache off the coast of Hispaniola while sailing to Jamaica.
built at Portsmouth by John Naish
See also PS Southsea Castle (1930)