This is a list of the premiers of the province of Ontario, Canada, since Confederation (1867).
** Note. The Peterson Government (Liberal) from 1985 to 1987 did not have the most seats in the legislature, but had the formal support of the NDP through a signed accord without an official coalition government being formed.
Alberta | British Columbia | Manitoba | New Brunswick | Newfoundland and Labrador | Nova Scotia | Ontario | Prince Edward Island | Quebec | Saskatchewan
Yukon | Northwest Territories | Nunavut
For more lists of this type, see Lists of incumbents.
See also: List of Leaders of the Opposition in Ontario