Admiral Augustus John Hervey, 3rd Earl of Bristol, PC (19 May 1724 – 23 December 1779) was a Royal Navy officer and politician. He commanded the sixth-rate HMS Phoenix at the Battle of Minorca in May 1756 as well as the third-rate HMS "Dragon" at the Capture of Belle Île in June 1761, the Invasion of Martinique in January 1762 and the Battle of Havana in June 1762 during the Seven Years' War. He went on to be Chief Secretary for Ireland and then First Naval Lord. He was known as the English Casanova, due to his colourful personal life.