1989 Canadian incumbents, Events in Canada in 1990, 1991 Canadian incumbents, Governmental leaders in 1990, Canadian incumbents by year

Federal government

• Head of State - Queen Elizabeth II
• Governor General - Jeanne Sauvé then Ray Hnatyshyn

Cabinet

• Prime Minister - Brian Mulroney

• Deputy Prime Minister - Don Mazankowski
• Minister of Finance - Michael Wilson
• Secretary of State for External Affairs - Joe Clark
• Secretary of State for Canada - Gerry Weiner
• Minister of National Defence - Bill McKnight
• Minister of National Health and Welfare - Perrin Beatty
• Minister of Industry, Science and Technology - Benoît Bouchard (position created February 23, 1990)
• Minister of Regional Industrial Expansion - Harvie André (position discontinued February 22, 1990)
• Minister of the Environment - Lucien Bouchard then Frank Oberle (interim) then Robert de Cotret
• Minister of Justice - Doug Lewis then Kim Campbell
• Minister of Transport - Benoît Bouchard then Doug Lewis
• Minister of Communications - Marcel Masse
• Minister of Fisheries and Oceans - Tom Siddon then Bernard Valcourt
• Minister of Agriculture - Don Mazankowski
• Minister of Public Works - Elmer MacKay
• Minister of Employment and Immigration - Barbara McDougall
• Minister of Indian Affairs and Northern Development - Pierre Cadieux then Tom Siddon
• Minister of Energy, Mines and Resources - Arthur Jacob Epp
• Minister of Forestry - Frank Oberle (position was created on February 23, 1990)
• Minister of Veterans Affairs - Gerald Stairs Merrithew

Parliament

See: 34th Canadian parliament

Opposition leaders

• Bloc Québécois - Lucien Bouchard (party first formed May 21, 1990)
• Liberal Party of Canada - John Napier Turner then Jean Chrétien
• New Democratic Party- Audrey McLaughlin
• Reform Party of Canada - Preston Manning

Supreme Court justices

• Chief Justice: Brian Dickson then Antonio Lamer
• Beverley McLachlin
• Bertha Wilson
• William Stevenson (arrived on September 17, to replace when Lamer was promoted to Chief Justice)
• Gérard V. La Forest
• John Sopinka
• Peter deCarteret Cory
• Claire L'Heureux-Dubé
• Charles D. Gonthier

Other

• Speaker of the House of Commons - John Allen Fraser
• Governor of the Bank of Canada - John Crow
• Chief of the Defence Staff - General John de Chastelain

Provinces

Lieutenant governors

• Lieutenant-Governor of Alberta - Helen Hunley
• Lieutenant-Governor of British Columbia - David Lam
• Lieutenant-Governor of Manitoba - W. Yvon Dumont
• Lieutenant-Governor of New Brunswick - Gilbert Finn
• Lieutenant-Governor of Newfoundland and Labrador - James Aloysius McGrath
• Lieutenant-Governor of Nova Scotia - Lloyd Roseville Crouse
• Lieutenant-Governor of Ontario - Lincoln Alexander
• Lieutenant-Governor of Prince Edward Island - Robert Lloyd George MacPhail then Marion Loretta Reid
• Lieutenant-Governor of Quebec - Gilles Lamontagne then Martial Asselin
• Lieutenant-Governor of Saskatchewan - Sylvia O. Fedoruk

Premiers

• Premier of Alberta - Don Getty
• Premier of British Columbia - Bill Vander Zalm
• Premier of Manitoba - Gary Filmon
• Premier of New Brunswick - Frank McKenna
• Premier of Newfoundland - Clyde Wells
• Premier of Nova Scotia - John Buchanan then Roger Bacon
• Premier of Ontario - David Peterson then Bob Rae
• Premier of Prince Edward Island - Joe Ghiz
• Premier of Quebec - Robert Bourassa
• Premier of Saskatchewan - Grant Devine
• Premier of the Northwest Territories - Dennis Patterson
• Premier of Yukon - Tony Penikett

Mayors

• Toronto - Art Eggleton
• Montreal - Jean Doré
• Vancouver - Gordon Campbell
• Ottawa - James A. Durrell

Religious leaders

• Roman Catholic Bishop of Quebec - Cardinal Archbishop Louis-Albert Vachon then Archbishop Maurice Couture
• Roman Catholic Bishop of Montreal - Cardinal Archbishop Paul Grégoire then Cardinal Archbishop Jean-Claude Turcotte
• Roman Catholic Bishops of London - Bishop John Michael Sherlock
• Moderator of the United Church of Canada - Sang Chul Lee then Walter H. Farquharson