| Cabinet Name: | 20th Canadian Ministry 20e conseil des ministres du Canada |
| Cabinet Type: | ministry |
| Cabinet Number: | 20th |
| Jurisdiction: | Canada |
| Flag: | Flag of Canada (Pantone).svg |
| Flag Border: | true |
| Date Formed: | 20 April 1968 |
| Date Dissolved: | 4 June 1979 |
| Government Head Title: | Prime Minister |
| Government Head: | Pierre Trudeau |
| Government Head History: | Premiership of Pierre Trudeau |
| State Head Title: | Monarch |
| State Head: | Elizabeth II |
| Represented By Title: | Governor General |
| Represented By: | Roland Michener Jules Léger Edward Schreyer |
| Political Party: | Liberal Party of Canada |
| Legislature Status: | |
| Opposition Party: | Progressive Conservative Party of Canada |
| Election: | 1968, 1972, 1974 |
| Previous: | 19th Canadian Ministry |
| Successor: | 21st Canadian Ministry |
The Twentieth Canadian Ministry was the first cabinet chaired by Prime Minister Pierre Trudeau. It governed Canada from 20 April 1968 to 4 June 1979, including all of the 28th, 29th, and 30th Canadian Parliaments. The government was formed by the Liberal Party of Canada. Trudeau was also Prime Minister in the Twenty-Second Canadian Ministry (1980–1984).
| Portfolio | Minister | Term | |
|---|---|---|---|
| Start | End | ||
| 20 April 1968 | 4 June 1979 | ||
| 16 September 1977 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 27 November 1972 | ||
| 27 November 1972 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 27 November 1972 | ||
| 27 November 1972 | 15 September 1976 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 27 November 1972 | ||
| 27 November 1972 | 4 June 1979 | ||
| 20 April 1968 | 8 August 1974 | ||
| 8 August 1974 | 14 September 1976 | ||
| 14 September 1976 | 4 June 1979 | ||
| 20 April 1968 | 5 May 1969 | ||
| 5 May 1969 | 28 January 1972 | ||
| 28 January 1972 | 8 August 1974 | ||
| 8 August 1974 | 5 November 1976 | ||
| 5 November 1976 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 15 October 1969 | ||
| 15 October 1969 | 4 June 1979 | ||
| 1 April 1969 | 29 April 1971 | ||
| Jean-Pierre Côté (acting) | 29 April 1971 | 11 May 1971 | |
| Gérard Pelletier (acting) | 11 May 1971 | 12 August 1971 | |
| 12 August 1971 | 27 November 1972 | ||
| 27 November 1972 | 29 August 1975 | ||
| 29 August 1975 | 25 October 1975 | ||
| Otto Lang (acting) | 25 October 1975 | 5 December 1975 | |
| 5 December 1975 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 28 January 1972 | ||
| 28 January 1972 | 27 November 1972 | ||
| 27 November 1972 | 8 August 1974 | ||
| 8 August 1974 | 16 March 1976 | ||
| Bryce Mackasey (acting) | 16 March 1976 | 8 April 1976 | |
| 8 April 1976 | 14 September 1976 | ||
| 14 September 1976 | 16 September 1977 | ||
| 16 September 1977 | 4 June 1979 | ||
| 20 April 1968 | 17 September 1970 | ||
| Charles Drury (acting) | 17 September 1970 | 24 September 1970 | |
| 24 September 1970 | 28 January 1972 | ||
| 28 January 1972 | 1 September 1972 | ||
| Jean-Eudes Dubé (acting) | 1 September 1972 | 7 September 1972 | |
| Charles Drury (acting) | 7 September 1972 | 27 November 1972 | |
| 27 November 1972 | 13 October 1976 | ||
| 13 October 1976 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 1 April 1969 | ||
| 24 November 1978 | 4 June 1979 | ||
| 15 August 1977 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 28 January 1972 | ||
| 28 January 1972 | 26 September 1975 | ||
| 26 September 1975 | 4 June 1979 | ||
| 11 June 1971 | 8 August 1974 | ||
| 8 August 1974 | 5 December 1975 | ||
| Roméo LeBlanc (acting) | 5 December 1975 | 22 January 1976 | |
| 22 January 1976 | 1 July 1976 | ||
| 1 July 1976 | 2 April 1979 | ||
| 2 April 1979 | 4 June 1979 | ||
| 20 April 1968 | 8 August 1974 | ||
| 8 August 1974 | 14 September 1976 | ||
| 14 September 1976 | 4 June 1979 | ||
| 20 April 1968 | 28 January 1972 | ||
| 28 January 1972 | 10 September 1975 | ||
| Charles Drury (acting) | 10 September 1975 | 26 September 1975 | |
| 26 September 1975 | 16 September 1977 | ||
| 16 September 1977 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 1 April 1969 | ||
| 1 April 1969 | 11 June 1971 | ||
| 11 June 1971 | 8 August 1974 | ||
| 8 August 1974 | 5 December 1975 | ||
| Roméo LeBlanc (acting) | 5 December 1975 | 22 January 1976 | |
| 22 January 1976 | 1 July 1976 | ||
| 1 July 1976 | 2 April 1979 | ||
| 2 April 1979 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 1 April 1969 | ||
| 20 April 1968 | 30 April 1969 | ||
| James Armstrong Richardson (acting) | 30 April 1969 | 5 May 1969 | |
| 5 May 1969 | 30 June 1971 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 8 August 1974 | ||
| 8 August 1974 | 14 September 1976 | ||
| 14 September 1976 | 16 September 1977 | ||
| 16 September 1977 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 1 April 1969 | ||
| 1 April 1969 | 27 November 1972 | ||
| 27 November 1972 | 26 September 1975 | ||
| 26 September 1975 | 14 September 1976 | ||
| 14 September 1976 | 16 September 1977 | ||
| 16 September 1977 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 28 January 1972 | ||
| 28 January 1972 | 26 September 1975 | ||
| 26 September 1975 | 3 August 1978 | ||
| Otto Lang (acting) | 3 August 1978 | 24 November 1978 | |
| 24 November 1978 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 28 January 1972 | ||
| 28 January 1972 | 27 November 1972 | ||
| 27 November 1972 | 8 September 1978 | ||
| André Ouellet (acting) | 8 September 1978 | 24 November 1978 | |
| 24 November 1978 | 4 June 1979 | ||
| 20 April 1968 | 12 September 1968 | ||
| 12 September 1968 | 24 September 1970 | ||
| 24 September 1970 | 8 August 1974 | ||
| 8 August 1974 | 14 September 1976 | ||
| 14 September 1976 | 4 June 1979 | ||
| 20 April 1968 | 8 August 1974 | ||
| 8 August 1974 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 24 September 1970 | ||
| 24 September 1970 | 28 January 1972 | ||
| 28 January 1972 | 27 November 1972 | ||
| 27 November 1972 | 14 September 1976 | ||
| 14 September 1976 | 15 August 1977 | ||
| 12 August 1971 | 28 January 1972 | ||
| 28 January 1972 | 27 November 1972 | ||
| 27 November 1972 | 8 August 1974 | ||
| 8 August 1974 | 16 March 1976 | ||
| Bryce Mackasey (acting) | 16 March 1976 | 8 April 1976 | |
| 8 April 1976 | 14 September 1976 | ||
| 14 September 1976 | 16 September 1977 | ||
| 16 September 1977 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 28 January 1972 | ||
| 28 January 1972 | 8 August 1974 | ||
| 8 August 1974 | 14 September 1976 | ||
| 14 September 1976 | 24 November 1978 | ||
| 24 November 1978 | 4 June 1979 | ||
| Vacant | 20 April 1968 | 4 June 1979 | |
| 20 April 1968 | 17 September 1970 | ||
| Charles Drury (acting) | 17 September 1970 | 24 September 1970 | |
| 24 September 1970 | 28 January 1972 | ||
| 28 January 1972 | 1 September 1972 | ||
| Jean-Eudes Dubé (acting) | 1 September 1972 | 7 September 1972 | |
| Charles Drury (acting) | 7 September 1972 | 27 November 1972 | |
| 27 November 1972 | 13 October 1976 | ||
| 13 October 1976 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 27 November 1972 | ||
| 27 November 1972 | 16 September 1977 | ||
| 16 September 1977 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 24 September 1970 | ||
| 24 September 1970 | 27 November 1972 | ||
| 27 November 1972 | 8 August 1974 | ||
| 8 August 1974 | 26 September 1975 | ||
| 26 September 1975 | 14 September 1976 | ||
| 14 September 1976 | 16 September 1977 | ||
| 16 September 1977 | 24 November 1978 | ||
| 24 November 1978 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 29 April 1971 | ||
| 29 April 1971 | 27 November 1972 | ||
| 27 November 1972 | 8 August 1974 | ||
| 8 August 1974 | 14 September 1976 | ||
| 14 September 1976 | 2 February 1978 | ||
| 2 February 1978 | 4 June 1979 | ||
| Pierre Trudeau (acting) | 20 April 1968 | 2 May 1968 | |
| Allan MacEachen (acting) | 2 May 1968 | 6 July 1968 | |
| 6 July 1968 | 24 September 1970 | ||
| 24 September 1970 | 8 August 1974 | ||
| 8 August 1974 | 14 September 1976 | ||
| 14 September 1976 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 28 January 1972 | ||
| 28 January 1972 | 8 August 1974 | ||
| 8 August 1974 | 14 September 1976 | ||
| 14 September 1976 | 24 November 1978 | ||
| 24 November 1978 | 4 June 1979 | ||
| 20 April 1968 | 1 April 1969 | ||
| 1 April 1969 | 27 November 1972 | ||
| 27 November 1972 | 26 September 1975 | ||
| 26 September 1975 | 4 June 1979 | ||
| 1 April 1969 | 5 May 1969 | ||
| 5 May 1969 | 27 November 1972 | ||
| 27 November 1972 | 24 November 1978 | ||
| 24 November 1978 | 4 June 1979 | ||
| 12 August 1971 | 27 November 1972 | ||
| 27 November 1972 | 8 August 1974 | ||
| 8 August 1974 | 14 September 1976 | ||
| 14 September 1976 | 16 September 1977 | ||
| 16 September 1977 | 24 November 1978 | ||
| 24 November 1978 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 27 November 1972 | ||
| 27 November 1972 | 14 September 1976 | ||
| 14 September 1976 | 4 June 1979 | ||
| 30 April 1968 | 23 April 1969 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 22 December 1970 | ||
| 22 December 1970 | 27 November 1972 | ||
| 27 November 1972 | 14 September 1976 | ||
| 14 September 1976 | 28 January 1978 | ||
| Ron Basford (acting) | 28 January 1978 | 2 February 1978 | |
| 2 February 1978 | 4 June 1979 | ||
| 24 September 1970 | 28 January 1972 | ||
| 28 January 1972 | 27 November 1972 | ||
| 27 November 1972 | 8 August 1974 | ||
| 8 August 1974 | 16 March 1976 | ||
| Bryce Mackasey (acting) | 16 March 1976 | 8 April 1976 | |
| 8 April 1976 | 14 September 1976 | ||
| 14 September 1976 | 16 September 1977 | ||
| 16 September 1977 | 4 June 1979 | ||
| 12 August 1971 | 8 August 1974 | ||
| 8 August 1974 | 4 June 1979 | ||
| 1 April 1969 | 5 May 1969 | ||
| 5 May 1969 | 27 November 1972 | ||
| 27 November 1972 | 24 November 1978 | ||
| 24 November 1978 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 1 April 1969 | ||
| 20 April 1968 | 30 April 1969 | ||
| James Armstrong Richardson (acting) | 30 April 1969 | 5 May 1969 | |
| 5 May 1969 | 27 November 1972 | ||
| 27 November 1972 | 26 September 1975 | ||
| 26 September 1975 | 4 June 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 8 August 1974 | ||
| 8 August 1974 | 14 September 1976 | ||
| 14 September 1976 | 24 November 1978 | ||
| 24 November 1978 | 4 June 1979 | ||
| 30 June 1971 | 28 January 1972 | ||
| 28 January 1972 | 8 August 1974 | ||
| 8 August 1974 | 3 November 1976 | ||
| 3 November 1976 | 2 April 1979 | ||
| 20 April 1968 | 6 July 1968 | ||
| 6 July 1968 | 28 January 1972 | ||
| 28 January 1972 | 27 November 1972 | ||
| 27 November 1972 | 4 June 1979 | ||
| 12 August 1971 | 28 January 1972 | ||
| 28 January 1972 | 27 November 1972 | ||
| Stanley Haidasz (Multiculturalism) | 27 November 1972 | 8 August 1974 | |
| 3 June 1974 | 8 August 1974 | ||
| Roméo LeBlanc (Fisheries) | 8 August 1974 | 14 September 1976 | |
| Leonard Marchand (Environment) (Small Businesses) | 14 September 1976 | 2 April 1979 | |
| Iona Campagnolo (Fitness and Amateur Sport) | 15 September 1976 | 4 June 1979 | |
| Joseph-Philippe Guay (Multiculturalism) | 21 April 1977 | 16 September 1977 | |
| Marc Lalonde (Federal-Provincial Relations) | 16 September 1977 | 24 November 1978 | |
| Norman Cafik (Multiculturalism) | 16 September 1977 | 4 June 1979 | |
| Anthony Abbott (Small Businesses) | 16 September 1977 | 4 June 1979 | |
| John Mercer Reid (Federal-Provincial Relations) | 24 November 1978 | 4 June 1979 | |
| 20 April 1968 | 6 July 1968 | ||
| 20 April 1968 | 1 April 1969 | ||
| 20 April 1968 | 6 July 1968 | ||
| 20 April 1968 | 6 July 1968 | ||
| 20 April 1968 | 6 July 1968 | ||
| 20 April 1968 | 6 July 1968 | ||
| 26 April 1968 | 6 July 1968 | ||
| Bob Andras (Housing) (Status of Women) | 6 July 1968 | 30 June 1971 | |
| 6 July 1968 | 24 September 1970 | ||
| 6 July 1968 | 5 May 1969 | ||
| 20 October 1969 | 24 September 1970 | ||
| 20 October 1969 | 12 August 1971 | ||
| Jean-Pierre Côté (Post Office) | 24 September 1970 | 11 June 1971 | |
| 26 September 1975 | 22 January 1976 | ||
| 3 November 1976 | 21 April 1977 | ||
| 21 April 1977 | 16 September 1977 | ||
| 19 January 1978 | 2 February 1978 | ||