List of 2003 Canadian incumbents

Crown

 * Head of State - Queen Elizabeth II

Federal government

 * Governor General - Adrienne Clarkson

Cabinet

 * Prime Minister - Jean Chrétien then Paul Martin
 * Deputy Prime Minister - John Manley then Anne McLellan
 * Minister of Finance - John Manley then Ralph Goodale
 * Minister of Foreign Affairs - Bill Graham
 * Minister of National Defence - John McCallum then David Pratt
 * Minister of Health - Anne McLellan then Pierre Pettigrew
 * Minister of Industry - Allan Rock then Lucienne Robillard
 * Minister of Heritage - Sheila Copps then Hélène Scherrer
 * Minister of Intergovernmental Affairs - Stéphane Dion then Pierre Pettigrew
 * Minister of the Environment - David Anderson
 * Minister of Justice - Martin Cauchon then Irwin Cotler
 * Minister of Transport - David Collenette then Tony Valeri
 * Minister of Citizenship and Immigration - Denis Coderre then Judy Sgro
 * Minister of Fisheries and Oceans - Robert Thibault then Geoff Regan
 * Minister of Agriculture and Agri-Food - Lyle Vanclief then Bob Speller
 * Minister of Public Works and Government Services - Ralph Goodale then Stephen Owen
 * Minister of Human Resources Development - Jane Stewart (position discontinued on December 11)
 * Minister of Natural Resources - Herb Dhaliwal then John Efford
 * Minister of Human Resources and Skills Development - Joe Volpe (position created on December 12)
 * Minister of Social Development - Liza Frulla (position created on December 12)

Members of Parliament
See: 37th Canadian parliament

Party leaders

 * Liberal Party of Canada - Jean Chrétien then Paul Martin
 * Canadian Alliance - Stephen Harper
 * Bloc Québécois - Gilles Duceppe
 * New Democratic Party - Alexa McDonough then Jack Layton
 * Progressive Conservative Party of Canada - Joe Clark then Peter MacKay

Supreme Court Justices

 * Chief Justice: Beverley McLachlin
 * Frank Iacobucci
 * John C. Major
 * Michel Bastarache
 * William Ian Corneil Binnie
 * Louise Arbour
 * Louis LeBel
 * Marie Deschamps
 * Charles D. Gonthier then Morris Fish

Other

 * Speaker of the House of Commons - Peter Milliken
 * Governor of the Bank of Canada - David Dodge
 * Chief of the Defence Staff - General R.R. Henault

Premiers

 * Premier of Alberta - Ralph Klein
 * Premier of British Columbia - Gordon Campbell
 * Premier of Manitoba - Gary Doer
 * Premier of New Brunswick - Bernard Lord
 * Premier of Newfoundland and Labrador - Roger Grimes, then Danny Williams
 * Premier of Nova Scotia - John Hamm
 * Premier of Ontario - Ernie Eves, then Dalton McGuinty
 * Premier of Prince Edward Island - Pat Binns
 * Premier of Quebec - Bernard Landry, then Jean Charest
 * Premier of Saskatchewan - Lorne Calvert
 * Premier of the Northwest Territories - Stephen Kakfwi, then Joe Handley
 * Premier of Nunavut - Paul Okalik
 * Premier of Yukon - Dennis Fentie

Lieutenant-governors

 * Lieutenant-Governor of Alberta - Lois Hole
 * Lieutenant-Governor of British Columbia - Iona Campagnolo
 * Lieutenant-Governor of Manitoba - Peter Liba
 * Lieutenant-Governor of New Brunswick - Marilyn Trenholme Counsell then Herménégilde Chiasson
 * Lieutenant-Governor of Newfoundland and Labrador - Edward Roberts
 * Lieutenant-Governor of Nova Scotia - Myra Freeman
 * Lieutenant-Governor of Ontario - James Bartleman
 * Lieutenant-Governor of Prince Edward Island - Léonce Bernard
 * Lieutenant-Governor of Quebec - Lise Thibault
 * Lieutenant-Governor of Saskatchewan - Lynda Haverstock

Mayors

 * Toronto - Mel Lastman then David Miller
 * Montreal - Gérald Tremblay
 * Vancouver - Larry Campbell
 * Ottawa - Bob Chiarelli
 * Victoria - Alan Lowe

Religious leaders

 * Roman Catholic Bishop of Quebec - Cardinal Archbishop Marc Ouellet
 * Roman Catholic Bishop of Montreal - Cardinal Archbishop Jean-Claude Turcotte
 * Roman Catholic Bishops of London - Bishop Ronald Peter Fabbro
 * Moderator of the United Church of Canada - Marion Pardy then Peter Short