Circumscription | Cathedral | Type |
| Alexandria–Cornwall |
St. Finnan Cathedral
Alexandria, Ontario, Canada 
|  Cathedral |
| Alexandria–Cornwall |
Cocathédrale de la Nativité de la Bienheureuse Vierge Marie
Cornwall, Ontario, Canada
|  Co-Cathedral |
| Amos |
Cathédrale Sainte-Thérèse-d’Avila
Amos, Quebec, Canada
| Cathedral |
| Antigonish |
St. Ninian’s Cathedral
Antigonish, Nova Scotia, Canada
| Cathedral |
| Antigonish |
Église Notre Dame de l’Assomption
Arichat, Nova Scotia, Canada
|  Former Cathedral |
| Baie-Comeau |
Cathédrale Saint-Jean-Eudes
Baie-Comeau, Quebec, Canada
| Cathedral |
| Baie-Comeau |
Église Sainte-Amélie
Baie-Comeau, Quebec, Canada
| Former Cathedral |
| Bathurst |
Cathédrale Sacré-Coeur
Bathurst, New Brunswick, Canada
| Cathedral |
| Calgary |
St. Mary’s Cathedral
Calgary, Alberta, Canada
| Cathedral |
| Charlottetown |
Cathedral Basilica of St. Dunstan
Charlottetown, Prince Edward Island, Canada
|  Cathedral, Minor Basilica |
| Chicoutimi |
Cathédrale Saint-François-Xavier
Chicoutimi, Quebec, Canada
| Cathedral |
| Churchill–Baie d’Hudson |
Cathédrale Saints-Martyrs-Canadiens-et-Reine-des-Martyrs
Churchill, Manitoba, Canada
| Cathedral |
| Corner Brook and Labrador |
Cathedral of the Holy Redeemer and Immaculate Conception
Corner Brook, Newfoundland and Labrador, Canada
| Cathedral |
| Corner Brook and Labrador |
Basilica of Our Lady of Perpetual Help
Labrador City, Newfoundland and Labrador, Canada
|  Former Cathedral, Minor Basilica |
| Corner Brook and Labrador |
Church of St. Joseph
St. George’s, Newfoundland and Labrador, Canada
| Former Cathedral |
| Edmonton |
St. Joseph’s Cathedral Basilica
Edmonton, Alberta, Canada
| Cathedral, Minor Basilica |
| Edmonton (Ukrainian Rite) |
St. Josaphat’s Cathedral
Edmonton, Alberta, Canada
|  Cathedral |
| Edmundston |
Cathédrale de l’Immaculée-Conception
Edmundston, New Brunswick, Canada
| Cathedral |
| Gaspé |
Cathédrale du Christ-Roi
Gaspé, Quebec, Canada
| Cathedral |
| Gatineau |
Cathédrale Saint-Joseph
Gatineau, Quebec, Canada
| Cathedral |
| Gatineau |
Église Saint-Jean-Marie-Vianney
Gatineau, Quebec, Canada
| Former Cathedral |
| Grand Falls |
Cathedral of the Immaculate Conception
Grand Falls-Windsor, Newfoundland and Labrador, Canada
| Cathedral |
| Grand Falls |
Former Cathedral of the Immaculate Conception
Harbour Grace, Newfoundland and Labrador, Canada
| Former Cathedral |
| Grouard–McLennan |
Cathédrale Saint-Jean-Baptiste
McLennan, Alberta, Canada
| Cathedral |
| Halifax–Yarmouth |
St. Mary’s Cathedral Basilica
Halifax, Nova Scotia, Canada
| Cathedral, Minor Basilica |
| Halifax–Yarmouth |
St. Ambrose Co-Cathedral
Yarmouth, Nova Scotia, Canada
| Co-Cathedral |
| Hamilton |
Cathedral Basilica of Christ the King
Hamilton, Ontario, Canada
| Cathedral, Minor Basilica |
| Hamilton |
St. Mary’s Pro-Cathedral
Hamilton, Ontario, Canada
| Former Cathedral |
| Hearst |
Cathédrale Notre-Dame-de-l’Assomption
Hearst, Ontario, Canada
| Cathedral |
| Joliette |
Cathédrale Saint-Charles-Borromée
Joliette, Quebec, Canada
| Cathedral |
| Kamloops |
Sacred Heart Cathedral
Kamloops, British Columbia, Canada
| Cathedral |
| Keewatin–Le Pas |
Our Lady of the Sacred Heart Cathedral
The Pas, Manitoba, Canada
| Cathedral |
| Kingston |
St. Mary’s Cathedral
Kingston, Ontario, Canada
| Cathedral |
| London |
St. Peter’s Cathedral Basilica
London, Ontario, Canada
| Cathedral, Minor Basilica |
| London |
Church of Our Lady of the Assumption
Windsor, Ontario, Canada
| Former Cathedral |
| MacKenzie–Fort Smith |
Cathédrale Saint-Joseph
Fort Smith, Northwest Territories, Canada
| Cathedral |
| Mar Addai of Toronto (Chaldean Rite) |
Cathedral of Mar Addai
North York, Ontario, Canada
| Cathedral |
| Moncton |
Cathédrale Notre-Dame-de-l’Assomption
Moncton, New Brunswick, Canada
| Cathedral |
| Mont-Laurier |
Cathédrale Notre-Dame-de-Fourvière
Mont-Laurier, Quebec, Canada
| Cathedral |
| Montréal |
Basilique-Cathédrale Marie-Reine-du-Monde et St-Jacques
Montréal, Quebec, Canada
| Cathedral, Minor Basilica |
| Moosonee |
Christ the King Cathedral
Moosonee, Ontario, Canada
| Cathedral |
| Nelson |
Mary Immaculate Cathedral
Nelson, British Columbia, Canada
| Cathedral |
| New Westminster (Ukrainian Rite) |
Cathedral of the Holy Eucharist
New Westminster, British Columbia, Canada
| Cathedral |
| Nicolet |
Cathédrale Saint-Jean-Baptiste
Nicolet, Quebec, Canada
| Cathedral |
| Ottawa |
Basilique-Cathédrale Notre-Dame-d’Ottawa
Ottawa, Ontario, Canada
| Cathedral, Minor Basilica |
| Pembroke |
St. Columbkille Cathedral
Pembroke, Ontario, Canada
| Cathedral |
| Peterborough |
Cathedral of St. Peter in Chains
Peterborough, Ontario, Canada
| Cathedral |
| Prince-Albert |
Sacred Heart Cathedral
Prince Albert, Saskatchewan, Canada
| Cathedral |
| Prince George |
Sacred Heart Cathedral
Prince George, British Columbia, Canada
| Cathedral |
| Québec |
Basilique-Cathédrale Notre-Dame-de-Québec
Québec, Quebec, Canada
| Cathedral, Minor Basilica,  World Heritage Site |
| Regina |
Holy Rosary Cathedral
Regina, Saskatchewan, Canada
| Cathedral |
| Regina |
Our Lady of Assumption Co-Cathedral
Gravelbourg, Saskatchewan, Canada
| Co-Cathedral |
| Rimouski |
Cathédrale Saint-Germain
Rimouski, Quebec, Canada
| Cathedral |
| Rouyn-Noranda |
Cathédrale Saint-Joseph
Rouyn-Noranda, Quebec, Canada
| Cathedral |
| Saint-Boniface |
Basilique-Cathédrale Saint-Boniface
Winnipeg, Manitoba, Canada
| Cathedral, Minor Basilica |
| Saint Catharines |
Cathedral of St. Catherine of Alexandria
St. Catharines, Ontario, Canada
| Cathedral |
| Saint-Hyacinthe |
Cathédrale Saint-Hyacinthe-le-Confesseur
Saint-Hyacinthe, Quebec, Canada
| Cathedral |
| Saint-Hyacinthe |
Église Saint-Matthieu
Beloeil, Quebec, Canada
| Former Cathedral |
| Saint-Jean–Longueuil |
Cathédrale Saint-Jean-l’Évangéliste
Saint-Jean-sur-Richelieu, Quebec, Canada
| Cathedral |
| Saint-Jean–Longueuil |
Cocathédrale Saint-Antoine-de-Padoue
Longueuil, Quebec, Canada
| Co-Cathedral |
| Saint-Jérôme |
Cathédrale Saint-Jérôme
Saint-Jérôme, Quebec, Canada
| Cathedral |
| Saint John, New Brunswick |
Cathedral of the Immaculate Conception
Saint John, New Brunswick, Canada
| Cathedral |
| Saint John, New Brunswick |
Basilica of St. Michael the Archangel
Miramichi, New Brunswick, Canada
| Former Cathedral, Minor Basilica, Parish |
| Saint John’s, Newfoundland |
Cathedral Basilica of St. John the Baptist
St. John’s, Newfoundland and Labrador, Canada
| Cathedral, Minor Basilica |
| Saint-Maron de Montréal (Maronite Rite) |
Cathédrale Saint-Maron
Montréal, Quebec, Canada
| Cathedral |
| Saint-Paul |
St. Paul’s Cathedral
Saint-Paul, Alberta, Canada
| Cathedral |
| Saint-Sauveur de Montréal (Greek-Melkite Rite) |
Cathédrale de Saint-Sauveur
Montréal, Quebec, Canada
| Cathedral |
| Sainte-Anne-de-la-Pocatière |
Cathédrale Sainte-Anne
La Pocatière, Quebec, Canada
| Cathedral |
| Saints Cyril and Methodius of Toronto (Slovak Rite) |
Chrám Narodenia Bohorodičky
Toronto, Ontario, Canada
| Cathedral |
| Saints Cyril and Methodius of Toronto (Slovak Rite) |
Former Cathedral of the Transfiguration of Our Lord
Markham, Ontario, Canada
|  Former Cathedral |
| Saskatoon |
Cathedral of the Holy Family
Saskatoon, Saskatchewan, Canada
| Cathedral |
| Saskatoon |
Co-Cathedral of St. Paul
Saskatoon, Saskatchewan, Canada
| Co-Cathedral |
| Saskatoon |
St. Peter’s Co-Cathedral
Muenster, Saskatchewan, Canada
| Co-Cathedral |
| Saskatoon (Ukrainian Rite) |
Ukrainian Catholic Cathedral of St. George
Saskatoon, Saskatchewan, Canada
| Cathedral |
| Sault Sainte Marie |
Precious Blood Cathedral
Sault Sainte Marie, Ontario, Canada
| Cathedral |
| Sault Sainte Marie |
Assumption Pro-Cathedral
North Bay, Ontario, Canada
|  Pro-Cathedral |
| Sherbrooke |
Basilique-Cathédrale Saint-Michel
Sherbrooke, Quebec, Canada
| Cathedral, Minor Basilica |
| The Chair of Saint Peter (Anglican Rite) |
Church of the Annunciation of the Blessed Virgin Mary
Ottawa, Ontario, Canada
| Former Cathedral, Parish |
| Thunder Bay |
St. Patrick Cathedral
Thunder Bay, Ontario, Canada
| Cathedral |
| Timmins |
Cathédrale Saint-Antoine-de-Padoue
Timmins, Ontario, Canada
| Cathedral |
| Timmins |
Église Sainte-Croix
Haileybury, Ontario, Canada
| Former Cathedral |
| Toronto |
St. Michael’s Cathedral
Toronto, Ontario, Canada
| Cathedral |
| Toronto (Ukrainian Rite) |
St. Josaphat’s Cathedral
Toronto, Ontario, Canada
| Cathedral |
| Trois-Rivières |
Cathédrale de l’Assomption (Paroisse Immaculée-Conception)
Trois-Rivières, Quebec, Canada
| Cathedral |
| Valleyfield |
Basilique-Cathédrale Sainte-Cécile
Salaberry-de-Valleyfield, Quebec, Canada
| Cathedral, Minor Basilica |
| Vancouver |
Holy Rosary Cathedral
Vancouver, British Columbia, Canada
| Cathedral |
| Victoria |
St. Andrew Cathedral
Victoria, British Columbia, Canada
| Cathedral |
| Whitehorse |
Sacred Heart Cathedral
Whitehorse, Yukon, Canada
| Cathedral |
| Winnipeg |
St. Mary’s Cathedral
Winnipeg, Manitoba, Canada
| Cathedral |
| Winnipeg (Ukrainian Rite) |
Cathedral of Sts. Vladimir and Olga
Winnipeg, Manitoba, Canada
| Cathedral |
