HMS Port Royal
At least four ships of the Royal Navy have borne the name HMS Port Royal, after the British naval base Port Royal in Jamaica:

 was an 18-gun sloop that was purchased locally, i.e., in Jamaica, in 1757. She was paid off and sold in 1763. 
 was an 18-gun sloop, formerly the French armed merchant vessel , which the British captured in 1778. They purchased her, armed her with eighteen 6-pounder guns, and gave her the name Port Royal; she was under the command of Commander Timothy Kelly when the Spanish captured her at Pensacola in 1781.
 was the 14-gun French privateer ship-sloop Comte dEstaing, which  captured on 29 March 1782. She was commissioned under Lieutenant George Hart but paid off on 31 March 1783 and sold thereafter. was a 10-gun schooner purchased in 1796. The French captured her on 30 March 1797 and renamed her Perle. recaptured her on 18 October. The Royal Navy renamed her HMS Recovery. She was sold in 1801. Notes

Citations

References
Demerliac, Alain (1996) La Marine De Louis XVI: Nomenclature Des Navires Français De 1774 À 1792. (Nice: Éditions OMEGA). Royal Navy ship names