| 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 22nd 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 | ||