This is a list of Lieutenant Governors of the Canadian province of Ontario.
Upper Canada was created out of the western part of Quebec by the Constitutional Act of 1791.
(*) Military administrators during the War of 1812
(**)Lord Sydenham was also Governor General of Canada when Upper Canada and Lower Canada united into the Province of Canada. Upper Canada became Canada West and Lower Canada became Canada East.
After Richard Downes Jackson, the Lieutenant Governors were also simultaneously Governors General.
The Province of Canada was split into Ontario and Quebec after Canadian Confederation in 1867.
Governors General
Alberta - British Columbia - Manitoba - New Brunswick - Newfoundland and Labrador - Nova Scotia - Ontario - Prince Edward Island - Quebec - Saskatchewan -
Northwest Territories - Nunavut - Yukon
New France (1627-1760) - Acadia (1603-1710) - Northwest Territories (1869-1905)