The Catholic Church in Canada is part of the worldwide Catholic Church, under the spiritual leadership of the Pope and curia in Rome.

The Roman Catholic Church is the world's largest Christian Church, and its largest religious grouping.

Within Canada the heirarchy consists of:

  • Archbishopric
    • Bishopric

  • Edmonton
    • Calgary
    • Saint Paul, Alberta

  • Gatineau-Hull:
    • Amos
    • Mont-Laurier
    • Rouyn-Noranda

  • Grouard-McLennan
    • Mackenzie-Fort Smith
    • Whitehorse

  • Halifax
    • Antigonish
    • Charlottetown
    • Yarmouth

  • Keewatin-Le Pas
    • Churchill-Baie d'Hudson
    • Labrador City-Schefferville
    • Moosonee

  • Kingston
    • Alexandria-Cornwall
    • Peterborough
    • Sault Sainte Marie

  • Moncton
    • Bathurst
    • Edmundston
    • Saint John, New Brunswick

  • Montréal
    • Joliette
    • Saint-Jean-Longueuil
    • Saint-Jérôme
    • Valleyfield

  • Ottawa
    • Hearst
    • Pembroke
    • Timmins

  • Québec
    • Chicoutimi
    • Sainte-Anne-de-la-Pocatière
    • Trois Rivières

  • Regina
    • Prince-Albert
    • Saskatoon

  • Rimouski
    • Baie-Comeau
    • Gaspé

  • Saint-Boniface

  • Saint John's, Newfoundland
    • Grand Falls
    • Saint George's

  • Sherbrooke
    • Nicolet
    • Saint-Hyacinthe

  • Toronto
    • Hamilton
    • London
    • Saint Catharines
    • Thunder Bay

  • Vancouver
    • Kamloops
    • Nelson
    • Prince George
    • Victoria

There are also Ukrainian Rite Churches in Winnipeg, Edmonton, New Westminister, Saskatoon and, Toronto.

Other: Maronite, Melkite and Slovakian jurisdictions.