Three vessels of the Royal Navy have been named HMS Regulus, after the star:
HMS Regulus (1785) was a fifth rate ship of 44 guns, launched at Northam in January 1785 and converted to a troopship in 1793. Because Regulus served in the navy's Egyptian campaign (8 March to 2 September 1801), her officers and crew qualified for the clasp "Egypt" to the Naval General Service Medal, which the Admiralty issued in 1847 to all surviving claimants.[1]Regulus was broken up in March 1816.