HMS Ferret (Shore establishment)

Two shore establishments of the Royal Navy have borne the name HMS Ferret:


 * HMS Ferret (shore establishment 1940) was the Royal Navy's Londonderry base during the Second World War, established in 1940 and closed in 1947, becoming HMS Sea Eagle.
 * HMS Ferret (shore establishment 1982) is a training unit of the Royal Naval Reserve established in 1983 and currently active.