| Dates of Office | Leader | Political Affiliation |
|---|
| 01 Jul 1867 - 05 Nov 1873 | The Honourable Luc Letellier de St-Just | Nationalist Liberal |
| 07 Nov 1873 - 08 Oct 1878 | The Honourable Alexander Campbell | Conservative |
| 08 Oct 1878 - 27 Apr 1886 | The Honourable Sir Richard William Scott | Liberal |
| 27 Apr 1896 - 01 Mar 1906 | The Honourable Sir Mackenzie Bowell | Conservative |
| 01 Apr 1906 - 06 Oct 1911 | The Honourable Sir James Alexander Lougheed | Conservative |
| 06 Oct 1911 - 24 Sep 1912 | The Honourable Sir Richard John Cartwright | Liberal |
| 24 Sep 1912 - 07 Mar 1914 | The Honourable Sir George William Ross | Liberal |
| 19 Mar 1914 - 01 Jan 1919 | The Honourable Hewitt Bostock | Liberal |
| 01 Jan 1919 - 31 Dec 1919 | The Honourable Raoul Dandurand | Liberal |
| 01 Jan 1920 - 28 Dec 1921 | The Honourable Hewitt Bostock | Liberal |
| 28 Dec 1921 - 02 Nov 1925 | The Honourable Sir James Alexander Lougheed | Conservative |
| 02 Nov 1925 - 31 Dec 1925 | The Honourable G.D. Robertson | Conservative |
| 01 Jan 1926 - 28 Jun 1926 | The Honourable William Benjamin Ross | Conservative |
| 29 Jun 1926 - 01 Jul 1926 | The Honourable Raoul Dandurand | Liberal |
| 31 Dec 1926 - 10 Jan 1929 | The Honourable William Benjamin Ross | Conservative |
| 11 Jan 1929 - 07 Aug 1930 | The Honourable Wellington Bartley Willoughby | Conservative |
| 07 Aug 1930 - 22 Oct 1935 | The Honourable Raoul Dandurand | Liberal |
| 22 Oct 1935 - 16 Jan 1942 | The Right Honourable Arthur Meighen | Conservative |
| 16 Jan 1942 - 10 Dec 1942 | The Honourable Charles Colquhoun Ballantyne | Conservative |
| 11 Dec 1942 - 11 Sep 1945 | The Honourable Charles Colquhoun Ballantyne | Progressive Conservative |
| 12 Sep 1945 - 20 Jun 1957 | The Honourable John Thomas Haig | Progressive Conservative |
| 20 Jun 1957 - 21 Apr 1963 | The Honourable William Ross Macdonald | Liberal |
| 22 Apr 1963 - 31 Oct 1967 | The Honourable Alfred Johnson Brooks | Progressive Conservative |
| 31 Oct 1967 - 03 Jun 1979 | The Honourable Jacques Flynn | Progressive Conservative |
| 03 Jun 1979 - 02 Mar 1979 | The Honourable Raymond Joseph Perrault | Liberal |
| 03 Mar 1980 - 16 Sep 1984 | The Honourable Jacques Flynn | Progressive Conservative |
| 16 Sep 1984 - 30 Nov 1991 | The Honourable Allan Joseph MacEachen | Liberal |
| 30 Nov 1991 - 25 Oct 1993 | The Honourable Royce Herbert Frith | Liberal |
| 25 Oct 1993 - 01 Feb 2004 | The Honourable John Lynch-Staunton | Progressive Conservative |
| 02 Feb 2004 - 30 Sep 2004 | The Honourable John Lynch-Staunton | Conservative |
| 01 Oct 2004 - 08 Feb 2006 | The Honourable Noël Kinsella | Conservative |
| 08 Feb 2006 - 18 Jan 2007 | The Honourable Dan Hays | Liberal |
| 18 Jan 2007 - 03 Nov 2008 | The Honourable Céline Hervieux-Payette | Liberal |
| 03 Nov 2008 - 04 Nov 2015 | The Honourable Jim Cowan | Liberal |
| 04 Nov 2015 - 01 Apr 2017 | The Honourable Claude Carignan | Conservative |
| 01 Apr 2017 - 04 Nov 2019 | The Honourable Larry Smith | Conservative |
| 07 Nov 2019 - | The Honourable Don Plett | Conservative |
