Six vessels of the Royal Navy have borne the name HMS (or HMY) Royal Charlotte, after Charlotte of Mecklenburg-Strelitz, consort of King George III.
References exist to hired armed vessels serving the Royal Navy.
There were two Royal Navy wireless stations doing SIGINT work in West Germany after World War II, HMS Royal Albert at Cuxhaven, early 1950s, and HMS Royal Charlotte at Kiel, later 1950s.