| Cabinet Name: | 19th Canadian Ministry 19e conseil des ministres du Canada |
| Cabinet Type: | ministry |
| Cabinet Number: | 19th |
| Jurisdiction: | Canada |
| Flag: | Flag of Canada (Pantone).svg |
| Flag Border: | true |
| Date Formed: | 22 April 1963 |
| Date Dissolved: | 20 April 1968 |
| Government Head Title: | Prime Minister |
| Government Head: | Lester B. Pearson |
| State Head Title: | Monarch |
| State Head: | Elizabeth II |
| Represented By Title: | Governor General |
| Represented By: | Georges Vanier Roland Michener |
| Political Party: | Liberal Party of Canada |
| Opposition Party: | Progressive Conservative Party of Canada |
| Election: | 1963, 1965 |
| Previous: | 18th Canadian Ministry |
| Successor: | 20th Canadian Ministry |
The Nineteenth Canadian Ministry was the cabinet chaired by Prime Minister Lester B. Pearson. It governed Canada from 22 April 1963 to 20 April 1968, including all of the 26th, and 27th Canadian Parliaments. The government was formed by the Liberal Party of Canada.
| Portfolio | Minister | Term | |
|---|---|---|---|
| Start | End | ||
| 22 April 1963 | 20 April 1968 | ||
| 22 April 1963 | 18 December 1965 | ||
| 18 December 1965 | 20 April 1968 | ||
| 22 April 1963 | 18 December 1965 | ||
| 18 December 1965 | 20 April 1968 | ||
| 1 October 1966 | 20 April 1968 | ||
| 22 April 1963 | 14 March 1964 | ||
| George McIlraith (acting) | 14 March 1964 | 19 March 1964 | |
| 19 March 1964 | 18 January 1968 | ||
| 18 January 1968 | 20 April 1968 | ||
| 22 April 1963 | 4 January 1966 | ||
| 4 January 1966 | 30 March 1968 | ||
| Jean-Luc Pépin (acting) | 30 March 1968 | 20 April 1968 | |
| 22 April 1963 | 3 February 1964 | ||
| 3 February 1964 | 15 February 1965 | ||
| 15 February 1965 | 18 December 1965 | ||
| 18 December 1965 | 1 October 1966 | ||
| 21 December 1967 | 20 April 1968 | ||
| 22 April 1963 | 18 December 1965 | ||
| 18 December 1965 | 19 September 1967 | ||
| 19 September 1967 | 20 April 1968 | ||
| 22 April 1963 | 20 April 1968 | ||
| 1 October 1966 | 20 April 1968 | ||
| 22 April 1963 | 20 April 1968 | ||
| 22 April 1963 | 11 November 1965 | ||
| 11 November 1965 | 20 April 1968 | ||
| 22 April 1963 | 20 April 1968 | ||
| 22 April 1963 | 3 February 1964 | ||
| 3 February 1964 | 1 October 1966 | ||
| 1 October 1966 | 20 April 1968 | ||
| 18 January 1968 | 20 April 1968 | ||
| 18 January 1968 | 20 April 1968 | ||
| 22 April 1963 | 3 February 1964 | ||
| 3 February 1964 | 15 February 1965 | ||
| 15 February 1965 | 18 December 1965 | ||
| 18 December 1965 | 1 October 1966 | ||
| 1 October 1966 | 20 April 1968 | ||
| 25 July 1963 | 20 April 1968 | ||
| 22 April 1963 | 3 February 1964 | ||
| 3 February 1964 | 30 June 1965 | ||
| George McIlraith (acting) | 30 June 1965 | 7 July 1965 | |
| 7 July 1965 | 4 April 1967 | ||
| 4 April 1967 | 20 April 1968 | ||
| 22 April 1963 | 18 December 1965 | ||
| 18 December 1965 | 20 April 1968 | ||
| 22 April 1963 | 3 February 1964 | ||
| 3 February 1964 | 30 October 1964 | ||
| 30 October 1964 | 4 May 1967 | ||
| 4 May 1967 | 20 April 1968 | ||
| 22 April 1963 | 3 February 1964 | ||
| 3 February 1964 | 20 April 1968 | ||
| 1 October 1966 | 20 April 1968 | ||
| 22 April 1963 | 7 July 1965 | ||
| 7 July 1965 | 18 December 1965 | ||
| 18 December 1965 | 1 October 1966 | ||
| 22 April 1963 | 15 February 1965 | ||
| 15 February 1965 | 7 July 1965 | ||
| 7 July 1965 | 20 April 1968 | ||
| 22 April 1963 | 15 February 1965 | ||
| 15 February 1965 | 19 September 1967 | ||
| Vacant | 19 September 1967 | 20 April 1968 | |
| 22 April 1963 | 19 September 1967 | ||
| 19 September 1967 | 20 April 1968 | ||
| 22 April 1963 | 18 December 1965 | ||
| 18 December 1965 | 20 April 1968 | ||
| 22 April 1963 | 14 March 1964 | ||
| George McIlraith (acting) | 14 March 1964 | 29 June 1964 | |
| 29 June 1964 | 18 January 1968 | ||
| 18 January 1968 | 20 April 1968 | ||
| 22 April 1963 | 1 October 1966 | ||
| 22 April 1963 | 3 February 1964 | ||
| 3 February 1964 | 15 February 1965 | ||
| 15 February 1965 | 18 December 1965 | ||
| 18 December 1965 | 20 April 1968 | ||
| 22 April 1963 | 3 February 1964 | ||
| 3 February 1964 | 7 July 1965 | ||
| 7 July 1965 | 4 April 1967 | ||
| 4 April 1967 | 11 March 1968 | ||
| Pierre Trudeau (acting) | 11 March 1968 | 20 April 1968 | |
| 22 April 1963 | 11 February 1965 | ||
| 11 February 1965 | 7 July 1965 | ||
| 7 July 1965 | 20 April 1968 | ||
| 22 April 1963 | 3 February 1964 | ||
| 3 February 1964 | 18 December 1965 | ||
| 18 December 1965 | 1 October 1966 | ||
| 1 October 1966 | 4 April 1967 | ||
| 4 April 1967 | 21 December 1967 | ||
| 22 April 1963 | 3 February 1964 | ||
| 3 February 1964 | 18 December 1965 | ||
| 18 December 1965 | 10 April 1968 | ||
| John Joseph Connolly (acting) | 10 April 1968 | 20 April 1968 | |
| 22 April 1963 | 7 July 1965 | ||
| 7 July 1965 | 20 April 1968 | ||
| 22 April 1963 | 4 January 1966 | ||
| 4 January 1966 | 30 March 1968 | ||
| Jean-Luc Pépin (acting) | 30 March 1968 | 20 April 1968 | |
| 22 April 1963 | 3 February 1964 | ||
| 3 February 1964 | 19 September 1967 | ||
| 19 September 1967 | 20 April 1968 | ||
| 1 October 1966 | 20 April 1968 | ||
| 22 April 1963 | 20 April 1968 | ||
| 22 April 1963 | 3 February 1964 | ||
| 22 April 1963 | 7 July 1965 | ||
| 22 April 1963 | 3 February 1964 | ||
| 3 February 1964 | 20 April 1968 | ||
| 3 February 1964 | 22 January 1965 | ||
| 7 July 1965 | 1 October 1966 | ||
| 7 July 1965 | 18 December 1965 | ||
| 18 December 1965 | 4 April 1967 | ||
| 9 January 1967 | 4 April 1967 | ||
| 4 April 1967 | 18 January 1968 | ||
| 25 September 1967 | 20 April 1968 | ||
| 9 February 1968 | 20 April 1968 | ||