This is a list of Canada's 308 electoral districts (also known as ridings in Canadian English) as defined by the 2003 Representation Order, which came into effect on May 23, 2004.

Electoral districts are constituencies that elect Members of Parliament to Canada's House of Commons every election.

Newfoundland and Labrador - 7 seats

• Avalon
• Bonavista—Exploits (renamed Bonavista—Gander—Grand Falls—Windsor in 2004)
• Humber—St. Barbe—Baie Verte
• Labrador
• Random—Burin—St. George's
• St. John's North (renamed St. John's East in 2004)
• St. John's South (renamed St. John's South—Mount Pearl in 2004)

Prince Edward Island - 4 seats

• Cardigan
• Charlottetown
• Egmont
• Malpeque

Nova Scotia - 11 seats

• Cape Breton—Canso
• Central Nova
• Dartmouth—Cole Harbour
• Halifax
• Halifax West
• Kings—Hants
• North Nova (renamed Cumberland—Colchester—Musquodoboit Valley in 2004)
• Sackville—Eastern Shore
• South Shore—St. Margaret's
• Sydney—Victoria
• West Nova

New Brunswick - 10 seats

• Acadie—Bathurst
• Beauséjour
• Fredericton
• Fundy (renamed Fundy Royal in 2004)
• Madawaska—Restigouche
• Miramichi
• Moncton—Riverview—Dieppe
• St. Croix—Belleisle (renamed New Brunswick Southwest in 2004)
• Saint John
• Tobique—Mactaquac

Quebec - 75 seats

• Abitibi—Témiscamingue
• Ahuntsic
• Alfred-Pellan
• Argenteuil—Mirabel (renamed Argenteuil—Papineau—Mirabel in 2004)
• Beauce
• Beauharnois—Salaberry
• Beauport (renamed Beauport—Limoilou in 2004)
• Berthier—Maskinongé
• Bourassa
• Brome—Missisquoi
• Brossard—La Prairie
• Chambly—Borduas
• Charlesbourg (renamed Charlesbourg—Haute-Saint-Charles in 2004)
• Charlevoix—Montmorency (renamed Montmorency—Charlevoix—Haute-Côte-Nord in 2004)
• Châteauguay—Saint-Constant
• Chicoutimi—Le Fjord
• Compton—Stanstead
• Drummond
• Gaspésie—Îles-de-la-Madeleine
• Gatineau
• Hochelaga
• Honoré-Mercier
• Hull—Aylmer
• Jeanne-Le Ber
• Joliette
• Jonquière—Alma
• Lac-Saint-Louis
• La Pointe-de-l'Île
• LaSalle—Émard
• Laurentides—Labelle
• Laurier (renamed Laurier—Sainte-Marie in 2004)
• Laval
• Laval—Les Îles
• Lévis—Bellechasse
• Longueuil (renamed Longueuil—Pierre-Boucher in 2004)
• Lotbinière—Chutes-de-la-Chaudière
• Louis-Hébert
• Louis-Saint-Laurent
• Manicouagan
• Marc-Aurèle-Fortin
• Matapédia—Matane (renamed Haute-Gaspésie—La Mitis—Matane—Matapédia in 2004)
• Mégantic—L'Érable
• Montcalm
• Mount Royal
• Notre-Dame-de-Grâce—Lachine
• Nunavik—Eeyou (renamed Abitibi—Baie-James—Nunavik—Eeyou in 2004)
• Outremont
• Papineau
• Pierrefonds—Dollard
• Pontiac
• Portneuf (renamed Portneuf—Jacques-Cartier in 2004)
• Québec
• Repentigny
• Richelieu (renamed Bas-Richelieu—Nicolet—Bécancour in 2004)
• Richmond—Arthabaska
• Rimouski—Témiscouata (renamed Rimouski-Neigette—Témiscouata—Les Basques in 2004)
• Rivière-des-Mille-Îles
• Rivière-du-Loup—Montmagny (renamed Montmagny—L'Islet—Kamouraska—Rivière-du-Loup in 2004)
• Rivière-du-Nord
• Roberval (renamed Roberval—Lac-Saint-Jean in 2004)
• Rosemont—La Petite-Patrie
• Saint-Bruno—Saint-Hubert
• Saint-Hyacinthe—Bagot
• Saint-Jean
• Saint-Lambert
• Saint-Laurent—Cartierville
• Saint-Léonard—Saint-Michel
• Saint-Maurice—Champlain
• Shefford
• Sherbrooke
• Terrebonne—Blainville
• Trois-Rivières
• Vaudreuil-Soulanges
• Verchères—Les Patriotes
• Westmount—Ville-Marie

Ontario - 106 seats

• Ajax—Pickering
• Algoma—Manitoulin—Kapuskasing
• Ancaster—Dundas—Flamborough—Westdale
• Barrie
• Beaches—East York
• Bramalea—Gore—Malton
• Brampton—Springdale
• Brampton West
• Brant
• Burlington
• Cambridge
• Carleton—Lanark (renamed Carleton—Mississippi Mills in 2004)
• Chatham-Kent—Essex
• Clarington—Scugog—Uxbridge (renamed Durham in 2004)
• Davenport
• Don Valley East
• Don Valley West
• Dufferin—Caledon
• Eglinton—Lawrence
• Elgin—Middlesex—London
• Essex
• Etobicoke Centre
• Etobicoke—Lakeshore
• Etobicoke North
• Glengarry—Prescott—Russell
• Grey—Bruce—Owen Sound (renamed Bruce—Grey—Owen Sound in 2004)
• Guelph
• Haldimand—Norfolk
• Haliburton—Kawartha Lakes—Brock
• Halton
• Hamilton Centre
• Hamilton East—Stoney Creek
• Hamilton Mountain
• Huron—Bruce
• Kenora
• Kingston and the Islands
• Kitchener Centre
• Kitchener—Conestoga (briefly Kitchener—Wilmot—Wellesley—Woolwich in 2004-2005)
• Kitchener—Waterloo
• Lanark—Frontenac—Lennox and Addington
• Leeds—Grenville
• London—Fanshawe
• London North Centre
• London West
• Markham—Unionville
• Middlesex—Kent—Lambton (renamed Lambton—Kent—Middlesex in 2004)
• Mississauga—Brampton South
• Mississauga East—Cooksville
• Mississauga—Erindale
• Mississauga South
• Mississauga—Streetsville
• Nepean—Carleton
• Newmarket—Aurora
• Niagara Falls
• Niagara West—Glanbrook
• Nickel Belt
• Nipissing—Timiskaming
• Northumberland—Quinte West
• Oak Ridges—Markham
• Oakville
• Oshawa
• Ottawa Centre
• Ottawa—Orléans
• Ottawa South
• Ottawa—Vanier
• Ottawa West—Nepean
• Oxford
• Parkdale—High Park
• Parry Sound—Muskoka
• Perth—Wellington
• Peterborough
• Pickering—Scarborough East
• Prince Edward—Hastings
• Renfrew—Nipissing—Pembroke
• Richmond Hill
• St. Catharines
• St. Paul's
• Sarnia—Lambton
• Sault Ste. Marie
• Scarborough—Agincourt
• Scarborough Centre
• Scarborough—Guildwood
• Scarborough—Rouge River
• Scarborough Southwest
• Simcoe—Grey
• Simcoe North
• Stormont—Dundas—South Glengarry
• Sudbury
• Thornhill
• Thunder Bay—Rainy River
• Thunder Bay—Superior North
• Timmins—James Bay
• Toronto Centre
• Toronto—Danforth
• Trinity—Spadina
• Vaughan
• Welland
• Wellington—Halton Hills
• Whitby—Oshawa
• Willowdale
• Windsor—Tecumseh
• Windsor West
• York Centre
• York—Simcoe
• York South—Weston
• York West

Manitoba - 14 seats

• Brandon—Souris
• Charleswood—St. James (renamed Charleswood—St. James—Assiniboia in 2004)
• Churchill
• Dauphin—Swan River (renamed Dauphin—Swan River—Marquette in 2004)
• Elmwood—Transcona
• Kildonan—St. Paul
• Portage—Lisgar
• Provencher
• Saint Boniface
• Selkirk—Interlake
• Winnipeg Centre
• Winnipeg North
• Winnipeg South
• Winnipeg South Centre

Saskatchewan - 14 seats

• Battlefords—Lloydminster
• Blackstrap
• Churchill River (renamed Desnethé—Missinippi—Churchill River in 2004)
• Cypress Hills—Grasslands
• Palliser
• Prince Albert
• Regina—Lumsden—Lake Centre
• Regina—Qu'Appelle
• Saskatoon—Humboldt
• Saskatoon—Rosetown—Biggar
• Saskatoon—Wanuskewin
• Souris—Moose Mountain
• Wascana
• Yorkton—Melville

Alberta - 28 seats

• Athabasca (renamed Fort McMurray—Athabasca in 2004)
• Calgary East
• Calgary North Centre (renamed Calgary Centre-North in 2004)
• Calgary Northeast
• Calgary—Nose Hill
• Calgary South Centre (renamed Calgary Centre in 2004)
• Calgary Southeast
• Calgary Southwest
• Calgary West
• Crowfoot
• Edmonton—Beaumont (renamed Edmonton—Mill Woods—Beaumont in 2004)
• Edmonton Centre
• Edmonton East
• Edmonton—Leduc
• Edmonton—St. Albert
• Edmonton—Sherwood Park
• Edmonton—Spruce Grove
• Edmonton—Strathcona
• Lethbridge
• Macleod
• Medicine Hat
• Peace River
• Red Deer
• Vegreville—Wainwright
• Westlock—St. Paul (briefly Battle River in 2004-2005)
• Wetaskiwin
• Wild Rose
• Yellowhead

British Columbia - 36 seats

• Abbotsford
• Burnaby—Douglas
• Burnaby—New Westminster
• Cariboo—Prince George
• Chilliwack—Fraser Canyon
• Delta—Richmond East
• Dewdney—Alouette (renamed Pitt Meadows—Maple Ridge—Mission in 2004)
• Esquimalt—Juan de Fuca
• Fleetwood—Port Kells
• Kamloops—Thompson (renamed Kamloops—Thompson—Cariboo in 2004)
• Kelowna (renamed Kelowna—Lake Country in 2004)
• Kootenay—Columbia
• Langley
• Nanaimo—Alberni
• Nanaimo—Cowichan
• Newton—North Delta
• New Westminster—Coquitlam
• North Okanagan—Shuswap (renamed Okanagan—Shuswap in 2004)
• North Vancouver
• Okanagan—Coquihalla
• Port Moody—Westwood—Port Coquitlam
• Prince George—Peace River
• Richmond
• Saanich—Gulf Islands
• Skeena—Bulkley Valley
• Southern Interior (renamed British Columbia Southern Interior in 2004)
• South Surrey—White Rock—Cloverdale
• Surrey North
• Vancouver Centre
• Vancouver East
• Vancouver Island North
• Vancouver Kingsway
• Vancouver Quadra
• Vancouver South
• Victoria
• West Vancouver—Sunshine Coast (renamed West Vancouver—Sunshine Coast—Sea to Sky Country in 2004)

Yukon - 1 seat

• Yukon

Northwest Territories - 1 seat

• Western Arctic

Nunavut - 1 seat

• Nunavut

See also: Past Canadian electoral districts

Elections Canada: Electoral districts