| Cabinet Name: | 17th Canadian Ministry 17e conseil des ministres du Canada |
| Cabinet Type: | ministry |
| Cabinet Number: | 17th |
| Jurisdiction: | Canada |
| Flag: | Canadian_Red_Ensign_(1957-1965).svg |
| Flag Border: | true |
| Date Formed: | 15 November 1948 |
| Date Dissolved: | 21 June 1957 |
| Government Head Title: | Prime Minister |
| Government Head: | Louis St. Laurent |
| State Head Title: | Monarch |
| Represented By Title: | Governor General |
| Represented By: | Earl Alexander Vincent Massey |
| Political Party: | Liberal Party of Canada |
| Legislature Status: | (1948–1949) Minority (1949–1953) Supermajority (1953–1957) Majority |
| Opposition Party: | Progressive Conservative Party of Canada |
| Election: | 1949, 1953 |
| Previous: | 16th Canadian Ministry |
| Successor: | 18th Canadian Ministry |
The Seventeenth Canadian Ministry was the cabinet chaired by Prime Minister Louis St-Laurent. It governed Canada from 15 November 1948 to 21 June 1957, including the end of the 20th Canadian Parliament, as well as all of the 21st and 22nd. The government was formed by the Liberal Party of Canada.
| Portfolio | Minister | Term | |
|---|---|---|---|
| Start | End | ||
| 15 November 1948 | 21 June 1957 | ||
| 15 November 1948 | 21 June 1957 | ||
| 15 November 1948 | 21 June 1957 | ||
| 15 November 1948 | 21 June 1957 | ||
| 18 January 1950 | 1 July 1954 | ||
| 1 July 1954 | 21 June 1957 | ||
| 1 April 1951 | 21 June 1957 | ||
| 1 April 1951 | 21 June 1957 | ||
| 15 November 1948 | 21 June 1957 | ||
| 15 November 1948 | 1 July 1954 | ||
| 1 July 1954 | 21 June 1957 | ||
| 15 November 1948 | 15 October 1952 | ||
| 15 October 1952 | 21 June 1957 | ||
| 15 November 1948 | 1 April 1949 | ||
| 1 April 1949 | 18 January 1950 | ||
| 18 January 1950 | 1 July 1954 | ||
| 1 July 1954 | 21 June 1957 | ||
| 15 November 1948 | 21 June 1957 | ||
| 15 November 1948 | 3 August 1950 | ||
| Paul Martin Sr. (acting) | 3 August 1950 | 7 August 1950 | |
| 7 August 1950 | 21 June 1957 | ||
| 15 November 1948 | 9 May 1953 | ||
| 9 May 1953 | 21 June 1957 | ||
| 15 November 1948 | 14 October 1953 | ||
| 14 October 1953 | 21 June 1957 | ||
| 15 November 1948 | 1 April 1949 | ||
| 1 April 1949 | 18 January 1950 | ||
| 18 January 1950 | 18 December 1950 | ||
| 18 December 1950 | 21 June 1957 | ||
| Vacant | 15 November 1948 | 12 February 1953 | |
| 12 February 1953 | 1 July 1954 | ||
| Vacant | 1 July 1954 | 26 April 1957 | |
| 26 April 1957 | 21 June 1957 | ||
| 15 November 1948 | 1 July 1954 | ||
| 1 July 1954 | 21 June 1957 | ||
| 15 November 1948 | 21 June 1957 | ||
| 15 November 1948 | 21 June 1957 | ||
| 16 December 1953 | 21 June 1957 | ||
| 15 November 1948 | 25 August 1949 | ||
| 25 August 1949 | 13 February 1952 | ||
| 13 February 1952 | 8 August 1955 | ||
| Vacant (Walter James Turnbull was acting) | 8 August 1955 | 16 August 1955 | |
| Roch Pinard (acting) | 16 August 1955 | 3 November 1955 | |
| 3 November 1955 | 21 June 1957 | ||
| 15 November 1948 | 25 April 1957 | ||
| 25 April 1957 | 21 June 1957 | ||
| 15 November 1948 | 12 June 1953 | ||
| 12 June 1953 | 17 September 1953 | ||
| 17 September 1953 | 21 June 1957 | ||
| 15 November 1948 | 18 January 1950 | ||
| 18 January 1950 | 17 September 1953 | ||
| 17 September 1953 | 16 December 1953 | ||
| 15 November 1948 | 1 April 1949 | ||
| 1 April 1949 | 12 June 1953 | ||
| 12 June 1953 | 1 July 1954 | ||
| 1 July 1954 | 21 June 1957 | ||
| 15 November 1948 | 25 August 1949 | ||
| 25 August 1949 | 7 August 1950 | ||
| 7 August 1950 | 15 October 1952 | ||
| 15 October 1952 | 12 January 1954 | ||
| 12 January 1954 | 21 June 1957 | ||
| 15 November 1948 | 21 June 1957 | ||
| 15 November 1948 | 1 July 1954 | ||
| 1 July 1954 | 21 June 1957 | ||
| 15 November 1948 | 7 August 1950 | ||
| 7 August 1950 | 21 June 1957 | ||
| 15 November 1948 | 14 October 1953 | ||
| 1 April 1949 | 14 December 1950 | ||
| 14 October 1953 | 12 January 1954 | ||