Field Marshal William Harcourt, 3rd Earl Harcourt,  (20 March 1743 – 17 June 1830) was a British nobleman and British Army officer. He served as an aide-de-camp to Lord Albemarle for the expedition to Havana during the Seven Years' War. He also commanded his regiment at the Battle of White Plains and then captured General Charles Lee at Basking Ridge during the American Revolutionary War.
Field Marshal William Harcourt, 3rd Earl Harcourt (1743-1830), was a British nobleman and military officer who served in the British Army. He held various positions including being an aide-de-camp to Lord Albemarle during the Seven Years' War, commanding his regiment at the Battle of White Plains, and capturing General Charles Lee at Basking Ridge during the American Revolutionary War.