# List of joint premiers of the Province of Canada

This is a list of the joint premiers of the Province of Canada, who were the heads of government of the Province of Canada from the 1841 unification of Upper Canada and Lower Canada until Confederation in 1867.
Each administration was led by two men; after Sydenham's Ministry, one from Canada West (now Ontario) and one from Canada East (now Quebec). Officially, one of them at any given time had the title of Premier, while the other had the title of Deputy.

## Colour key

* Green – reformers (Reform Party, Rouges Party, etc.)
* Yellow – conservatives (see Family Compact, Château Clique)
* Red – Liberal Party, Clear Grits
* Blue – Liberal-Conservative Party, Parti bleu

## Sydenham's Ministry

| Conservative leader | Conservative leader | Conservative leader | Reform leader | Reform leader | Reform leader | Term of office | Term of office |
| 1 (1 of 2) | | Deputy premier William Draper (1801–1877) |
| 1 (1 of 2) | | Deputy premier William Draper (1801–1877) | 1 | | Premier Samuel Harrison (1802–1867) | 5 February 1841 | 12 January 1842 |

## Premiers: before responsible government

| Premier from Canada West | Premier from Canada West | Premier from Canada East | Premier from Canada East | Term of office | Term of office |
| 1 (1 of 2) | Premier William Draper (1801–1877) |
| 1 (1 of 2) | Premier William Draper (1801–1877) | 2 | Deputy premier Charles Richard Ogden (1791–1866) | 12 January 1842 | 14 September 1842 |
| 2 (1 of 2) | Deputy premier Robert Baldwin (1804–1858) | 3 (1 of 2) | Premier Sir Louis-Hippolyte Lafontaine (1807–1864) | 26 September 1842 | 27 November 1843 |
| 3 | Acting premier Sir Dominick Daly (1789–1868) | 4 | Acting premier Sir Dominick Daly (1789–1868) | 27 November 1843 | 12 December 1843 |
| 4 (2 of 2) | Premier William Draper (1801–1877) | 5 | Deputy premier Denis-Benjamin Viger (1774–1861) | 12 December 1843 | 17 June 1846 |
| 4 (2 of 2) | Premier William Draper (1801–1877) | 6 | Deputy premier Denis-Benjamin Papineau (1789–1854) | 17 June 1846 | 27 May 1847 |
| 5 | Premier Henry Sherwood (1807–1855) | 6 | Deputy premier Denis-Benjamin Papineau (1789–1854) | 28 May 1847 | 7 December 1847 |
| 5 continued | Premier Henry Sherwood (1807–1855) | | vacant | 7 December 1847 | 10 March 1848 |

## Premiers: after responsible government

| Premier from Canada West | Premier from Canada West | Premier from Canada East | Premier from Canada East | Term of office | Term of office |
| 6 (2 of 2) | Deputy premier Robert Baldwin (1804–1858) | 7 (2 of 2) | Premier Sir Louis-Hippolyte Lafontaine (1807–1864) | 11 March 1848 | 28 October 1851 |
| 7 | Premier Sir Francis Hincks (1807–1885) | 8 | Deputy premier Augustin-Norbert Morin (1803–1865) | 28 October 1851 | 11 September 1854 |
| 8 | Premier Sir Allan Napier MacNab (1798–1862) | 8 | Deputy premier Augustin-Norbert Morin (1803–1865) | 11 September 1854 | 27 January 1855 |
| 8 | Premier Sir Allan Napier MacNab (1798–1862) | 9 (1 of 2) | Deputy premier (until 1856) / Premier Sir Étienne-Paschal Taché (1795–1865) | 27 January 1855 | 24 May 1856 |
| 9 (1 of 3) | Deputy premier (until 1857) / Premier Sir John A. Macdonald (1815–1891) | 9 (1 of 2) | Deputy premier (until 1856) / Premier Sir Étienne-Paschal Taché (1795–1865) | 24 May 1856 | 26 November 1857 |
| 9 (1 of 3) | Deputy premier (until 1857) / Premier Sir John A. Macdonald (1815–1891) | 10 (1 of 2) | Deputy premier Sir George-Étienne Cartier (1814–1873) | 26 November 1857 | 2 August 1858 |
| 10 | Premier George Brown (1818–1880) Clear Grit Party | 11 (1 of 2) | Deputy premier Antoine-Aimé Dorion (1818–1891) Rouge Party | 2 August 1858 | 6 August 1858 |
| 11 (2 of 3) | Deputy premier Sir John A. Macdonald (1815–1891) | 12 (2 of 2) | Premier Sir George-Étienne Cartier (1814–1873) | 6 August 1858 | 24 May 1862 |
| 12 | Premier John Sandfield Macdonald (1812–1872) Liberal Party | 13 | Deputy premier Louis-Victor Sicotte (1812–1889) Liberal Party | 24 May 1862 | 15 May 1863 |
| 12 | Premier John Sandfield Macdonald (1812–1872) Liberal Party | 14 (2 of 2) | Deputy premier Antoine-Aimé Dorion (1818–1891) Liberal Party | 15 May 1863 | 30 May 1864 |
| 13 (3 of 3) | Deputy premier Sir John A. Macdonald (1815–1891) Liberal-Conservative Party | 15 (2 of 2) | Premier Sir Étienne-Paschal Taché (1795–1865) Liberal-Conservative Party | 30 May 1864 | 30 July 1865 |
| 13 (3 of 3) | Deputy premier Sir John A. Macdonald (1815–1891) Liberal-Conservative Party | 16 | Premier Sir Narcisse-Fortunat Belleau (1808–1894) Liberal-Conservative Party | 30 July 1865 | 30 June 1867 |