Lieutenant-General Sir John Harvey, KCB KCH (23 April 1778 – 22 March 1852) was a British Army officer and a lieutenant governor. He was commissioned into the 80th Foot in 1794 and served in several different locations, including France, Egypt, and India. He came to Canada in 1813 and served as a lieutenant colonel in the War of 1812, taking part in the British victories at the Battle of Stoney Creek and the Battle of Crysler's Farm in Ontario.