One ship and one shore establishment of the Royal Navy have borne the name HMS Mauritius, in reference to the former colony of Mauritius:
- was a light cruiser launched in 1939 and scrapped in 1965.
- was a Royal Navy wireless radio station established at Baie du Tombeau in Mauritius, commissioned in 1962. It ceased to operate in 1975 and its staff was paid off in 1976.