Peter Hunter (1746-1805) was a British Army officer and colonial administrator. Hunter was born to a landed gentry family in Perthshire, Scotland. In 1767 he entered the British Army by purchasing an Ensign's commission. He rose to Lieutenant in 1770 and served in Minorca from 1771 to 1775 being promoted to Captain on the regiments return to England. He became a Major in 1779 and went to the West Indies where he rose to the rank of Lieutenant Colonel.
His unit was posted to Nova Scotia in 1786 and he assumed command of the battalion in 1787.
In 1789 Hunter after leave in England, he was appointed temporary superintendent of British Honduras holding that position until 1791 and was said to have administered the new colony in an authoritarian manner. He returned to England in 1793 and was given the rank of Colonel serving in Europe and then the Caribbean before becoming a military governor in County Wexford, Ireland following the Irish Rebellion of 1798.
On April 10, 1799 Hunter was appointed Lieutenant Governor of Upper Canada, succeeding John Graves Simcoe. He was also made commander of military forces in both Upper and Lower Canada with the rank of Lieutenant General as of 1802.
Hunter died unexpectedly in 1805. Alexander Grant became administrator of Upper Canada and continued Hunter's policies until a new Lieutenant Governor, Francis Gore, arrived from Britain in August 1806.
| Preceded by: Peter Russell | Lieutenant Governor of Upper Canada | Succeeded by: Alexander Grant |