# 21st Canadian Ministry

The Twenty-First Canadian Ministry was the cabinet chaired by Prime Minister Joe Clark. It governed Canada from 4 June 1979 to 3 March 1980, including all of the 31st Canadian Parliament. The government was formed by the Progressive Conservative Party of Canada.

## Ministers

| Portfolio | Minister | Term | Term |
| Portfolio | Minister | Start | End |
| Prime Minister | Joe Clark | 4 June 1979 | 3 March 1980 |
| Minister of Agriculture | John Wise | 4 June 1979 | 3 March 1980 |
| Minister responsible for the Canadian Dairy Commission | John Wise | 4 June 1979 | 3 March 1980 |
| Minister responsible for Canadian International Development Agency | Flora MacDonald | 4 June 1979 | 3 March 1980 |
| Minister responsible for Canada Mortgage and Housing Corporation | Elmer MacKay | 4 June 1979 | 3 March 1980 |
| Minister for the Canadian Wheat Board | Don Mazankowski | 4 June 1979 | 3 March 1980 |
| Minister of Communications | David MacDonald | 4 June 1979 | 3 March 1980 |
| Minister of Consumer and Corporate Affairs and Registrar General | Allan Lawrence | 4 June 1979 | 3 March 1980 |
| Minister responsible for Defence Construction Limited | Allan McKinnon | 4 June 1979 | 3 March 1980 |
| Minister of State for Economic Development | Robert de Cotret | 4 June 1979 | 3 March 1980 |
| Minister of Employment and Immigration | Ron Atkey | 4 June 1979 | 3 March 1980 |
| Minister of Energy, Mines, and Resources | Ray Hnatyshyn | 4 June 1979 | 3 March 1980 |
| Minister of the Environment | John Allen Fraser | 4 June 1979 | 3 March 1980 |
| Secretary of State for External Affairs | Flora MacDonald | 4 June 1979 | 3 March 1980 |
| Minister of Finance | John Crosbie | 4 June 1979 | 3 March 1980 |
| Minister of Fisheries and Oceans | James McGrath | 4 June 1979 | 3 March 1980 |
| Minister of Indian Affairs and Northern Development | Jake Epp | 4 June 1979 | 3 March 1980 |
| Minister of Industry, Trade, and Commerce | Robert de Cotret | 4 June 1979 | 3 March 1980 |
| Minister of Justice and Attorney General | Jacques Flynn | 4 June 1979 | 3 March 1980 |
| Minister of Labour | Lincoln Alexander | 4 June 1979 | 3 March 1980 |
| Leader of the Government in the House of Commons | Walter Baker | 4 June 1979 | 3 March 1980 |
| Leader of the Government in the Senate | Jacques Flynn | 4 June 1979 | 3 March 1980 |
| Minister responsible for Metric Commission | Allan Lawrence | 4 June 1979 | 3 March 1980 |
| Minister responsible for National Capital Commission | Erik Nielsen | 4 June 1979 | 3 March 1980 |
| Associate Minister of National Defence | Vacant | 4 June 1979 | 3 March 1980 |
| Minister of National Defence | Allan McKinnon | 4 June 1979 | 3 March 1980 |
| Minister of National Health and Welfare | David Crombie | 4 June 1979 | 3 March 1980 |
| Minister of National Revenue | Walter Baker | 4 June 1979 | 3 March 1980 |
| Postmaster General | John Allen Fraser | 4 June 1979 | 3 March 1980 |
| President of the Privy Council | Walter Baker | 4 June 1979 | 3 March 1980 |
| Minister of Public Works | Erik Nielsen | 4 June 1979 | 3 March 1980 |
| Minister of Regional Economic Expansion | Elmer MacKay | 4 June 1979 | 3 March 1980 |
| Minister responsible for Royal Canadian Mint | Roch La Salle | 4 June 1979 | 3 March 1980 |
| Minister of State for Science and Technology | Ray Hnatyshyn | 4 June 1979 | 9 October 1979 |
| Minister of State for Science and Technology | Heward Grafftey | 9 October 1979 | 3 March 1980 |
| Secretary of State for Canada | David MacDonald | 4 June 1979 | 3 March 1980 |
| Solicitor General | Allan Lawrence | 4 June 1979 | 3 March 1980 |
| Minister responsible for Standards Council of Canada | Allan Lawrence | 4 June 1979 | 3 March 1980 |
| Minister responsible for the Status of Women | David MacDonald | 4 June 1979 | 3 March 1980 |
| Minister of Supply and Services and Receiver General | Roch La Salle | 4 June 1979 | 3 March 1980 |
| Minister of Transport | Don Mazankowski | 4 June 1979 | 3 March 1980 |
| President of the Treasury Board | Sinclair Stevens | 4 June 1979 | 3 March 1980 |
| Minister of Veterans Affairs | Allan McKinnon | 4 June 1979 | 3 March 1980 |
| Minister of State | Martial Asselin (CIDA) (Francophonie) | 4 June 1979 | 3 March 1980 |
| Minister of State | William Jarvis (Federal-Provincial Relations) | 4 June 1979 | 3 March 1980 |
| Minister of State | Heward Grafftey (Social Programmes) | 4 June 1979 | 9 October 1979 |
| Minister of State | Perrin Beatty (Treasury Board) | 4 June 1979 | 3 March 1980 |
| Minister of State | Robert Howie (Transport) | 4 June 1979 | 3 March 1980 |
| Minister of State | Steve Paproski (Fitness and Amateur Sport and Multiculturalism) | 4 June 1979 | 3 March 1980 |
| Minister of State | Ron Huntington (Small Businesses and Industry) | 4 June 1979 | 3 March 1980 |
| Minister of State | Michael Wilson (International Trade) | 4 June 1979 | 3 March 1980 |