Arent Schuyler DePeyster (27 June 1736 – 26 November 1822) was a British military officer best known for his term as commandant of the British controlled Fort Michilimackinac and Fort Detroit during the American Revolution.
Following the capture of Lieutenant-Governor General Henry Hamilton, DePeyster is often credited as being the military leader of British and Indian forces in the Western American and Canadian frontiers.