Crown
Federal government
Liberal cabinet - to September 16
- Prime Minister - Pierre Trudeau then John Turner
- Deputy Prime Minister - Allan MacEachen then Jean Chrétien
- Minister of Finance - Marc Lalonde
- Secretary of State for External Affairs - Allan MacEachen then Jean Chrétien
- Secretary of State for Canada - Serge Joyal
- Minister of National Defence - Jean-Jacques Blais
- Minister of National Health and Welfare - Monique Bégin
- Minister of Regional Industrial Expansion - Ed Lumley
- Minister of the Environment - Charles Caccia
- Minister of Justice - Mark MacGuigan then Donald Johnston
- Minister of Transport - Lloyd Axworthy
- Minister of Communications - Francis Fox then Ed Lumley
- Minister of Fisheries and Oceans - Pierre de Bané then Herb Breau
- Minister of Agriculture - Eugene Whelan then Ralph Ferguson
- Minister of Public Works - Roméo LeBlanc then Charles Lapointe
- Minister of Employment and Immigration - John Roberts
- Minister of Indian Affairs and Northern Development - John Munro then Doug Frith
- Minister of Energy, Mines and Resources - Charles Caccia then Gerald Regan
- Minister of State (Forestry) - Gerald Merrithew
Progressive Conservative cabinet - from September 17
- Prime Minister - Brian Mulroney
- Deputy Prime Minister - Erik Nielsen
- Minister of Finance - Michael Wilson
- Secretary of State for External Affairs - Joe Clark
- Secretary of State for Canada - Walter McLean
- Minister of National Defence - Robert Coates
- Minister of National Health and Welfare - Jake Epp
- Minister of Regional Industrial Expansion - Sinclair Stevens
- Minister of the Environment - Suzanne Blais-Grenier
- Minister of Justice - John Crosbie
- Minister of Transport - Don Mazankowski
- Minister of Communications - Marcel Masse
- Minister of Fisheries and Oceans - John Fraser
- Minister of Agriculture - John Wise
- Minister of Public Works - Roch La Salle
- Minister of Employment and Immigration - Flora MacDonald
- Minister of Indian Affairs and Northern Development - David Crombie
- Minister of Energy, Mines and Resources - Pat Carney
Parliament
See: 32nd Canadian parliament then 33rd Canadian parliament
Party leaders
- Liberal Party of Canada - Pierre Trudeau then John Turner
- New Democratic Party- Ed Broadbent
- Progressive Conservative Party of Canada - Brian Mulroney
Supreme Court Justices
- Chief Justice: Bora Laskin then Brian Dickson
- William McIntyre
- Bertha Wilson
- Antonio Lamer
- Gerald Eric Le Dain (sworn in May 5)
- Roland Almon Ritchie (until October 30)
- John Sopinka
- Jean Beetz
- Julien Chouinard
- Gerald Eric Le Dain
Other
- Speaker of the House of Commons - Jeanne Sauvé then Cyril Lloyd Francis then John William Bosley
- Governor of the Bank of Canada - Gerald Bouey
- Chief of the Defence Staff - General G.C.E. Thériault
Provinces
Premiers
- Premier of Alberta - Peter Lougheed
- Premier of British Columbia - Bill Bennett
- Premier of Manitoba - Howard Pawley
- Premier of New Brunswick - Richard Hatfield
- Premier of Newfoundland - Brian Peckford
- Premier of Nova Scotia - John Buchanan
- Premier of Ontario - Bill Davis
- Premier of Prince Edward Island - James Lee
- Premier of Quebec - René Lévesque
- Premier of Saskatchewan - Grant Devine
Lieutenant-governors
- Lieutenant-Governor of Alberta - Frank C. Lynch-Staunton
- Lieutenant-Governor of British Columbia - Robert Gordon Rogers
- Lieutenant-Governor of Manitoba - Pearl McGonigal
- Lieutenant-Governor of New Brunswick - George F.G. Stanley
- Lieutenant-Governor of Newfoundland and Labrador - William Anthony Paddon
- Lieutenant-Governor of Nova Scotia - John Elvin Shaffner then Alan Abraham
- Lieutenant-Governor of Ontario - Jean-Pierre Côté then John Black Aird
- Lieutenant-Governor of Prince Edward Island - Joseph Aubin Doiron
- Lieutenant-Governor of Quebec - Gilles Lamontagne
- Lieutenant-Governor of Saskatchewan - Sylvia Fedoruk
Mayors
Religious leaders
- Roman Catholic Bishop of Quebec - Cardinal Archbishop Louis-Albert Vachon
- Roman Catholic Bishop of Montreal - Cardinal Archbishop Paul Grégoire
- Roman Catholic Bishops of London - Bishop John Michael Sherlock
- Moderator of the United Church of Canada - W. Clarke MacDonald then Robert F. Smith
See also
- 1983 Canadian incumbents
- Events in Canada in 1984
- 1985 Canadian incumbents
- Governmental leaders in 1984
- Canadian incumbents by year