HMS Princess Amelia was an 80-gun third rate ship of the line of the Royal Navy, designed by Sir Joseph Allin and built at Woolwich Dockyard by Israel Pownoll to the draught specified by the 1745 Establishment, and launched on 7 March 1757.

[1] She participated in the 1781 Battle of Dogger Bank under the command of Captain Macartney with reduced masts and guns.

[2]: 46 In June 1773 the Amelia sailed to Florida and then Newfoundland before returning to England in August 1773.

[3] Princess Amelia was lent to the Board of Customs in November 1788, and thereby deleted from the Navy List.

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