HMS Prince George was a 90-gun second-rate ship of the line of the Royal Navy, launched on 31 August 1772 at Chatham. During her career, she was upgraded to a 98-gun ship, through the addition of eight 12-pounder (5,448 g, 12.011 lb) guns to her quarterdeck. In 1780, Prince George was part of Rodney's fleet at the Battle of Cape St. Vincent. On 12 April 1782 she was seventh in line in the attack on the French fleet at the Battle of the Saintes under the command of Captain Williams. She fought at the Battle of Groix in 1795.