This is a list of the premiers of the province of Ontario, Canada, since Confederation (1867).

# Name Took Office Left Office Party

1.J.S. Macdonald 1867 1871 Coalition

2.Edward Blake 1871 1872 Liberal

3.Oliver Mowat 1872 1896 Liberal

4.Arthur S. Hardy 1896 1899 Liberal
5.George William Ross 1899 1905 Liberal
6.James P. Whitney 1905 1914 Conservative

7.William Hearst 1914 1919 Conservative

8.Ernest C. Drury 1919 1923 United Farmers

9.George Howard Ferguson 1923 1930 Conservative

10.George Stewart Henry 1930 1934 Conservative

11.Mitchell Hepburn 1934 1942 Liberal
12.Gordon Daniel Conant 1942 1943 Liberal
13.Harry Nixon 1943 1943 Liberal
14.George Drew 1943 1948 Conservative

15.Thomas Kennedy 1948 1949 Conservative

16.Leslie Frost 1949 1961 Conservative

17.John Robarts 1961 1971 Conservative

18.William (Bill) Davis 1971 1985 Conservative

19.Frank Miller 1985 1985 Conservative

20.David Peterson 1985 1990 Coalition, Liberal

21.Bob Rae 1990 1995 NDP

22.Mike Harris 1995 2002 Conservative

23.Ernie Eves 2002 2003 Conservative

24.Dalton McGuinty 2003 - Liberal

Other lists of Canadian first ministers:
Prime Minister - Alberta - B.C - Manitoba - N.B - Nfld.-Lab - N.S - P.E.I - Quebec - Sask - Yukon - N.W.T - Nunavut

For more lists of this type, see Lists of incumbents.