Diocese of Grand Falls
- Newfoundland. Statistics and history, renewal centres, diocesan administration, ministry contacts, parish directory, priests, the coat of arms, and Catholic links.
- http://www.rcdiocesegrandfalls.ca/

Diocese of Sault Ste. Marie
- Ontario. History, demographics, institutions, parishes, religious communities, organization, administration, diocesan Services, retreat centers, and links. Site in French and English.
- http://www.diocesessm.org/

Archdiocese of Winnipeg
- Manitoba. Upcoming events, news, parish and school directories, New Wine Press newspaper, diocesan history, catechetics, and organizations.
- http://www.archwinnipeg.ca/

Diocese of Yarmouth
- Nova Scotia. Church listing with Mass times, clerical directory, office of evangelization, office of youth ministry, pastoral letters, and links.
- http://www.dioceseyarmouth.org/

Diocese of Victoria
- British Columbia, Canada. Information on Catholic schools and diocesan pastoral services, parish directory, news, profile of the bishop.
- http://www.rcdvictoria.org/

Diocese of Timmins
- Ontario, serving parishes in northern Ontario and parts of Quebec. History, diocesan organizations, administrative service directory, parishes, and links. Site presented in French and English versions.
- http://www.nt.net/dioctims/

Diocese of Thunder Bay
- Ontario. Parish listings, NWOC newsletter, history, maps, statistics, chancery, vocations, and links.
- http://www.dotb.ca/

Diocese of Saskatoon
- Saskatchewan, serving 112 parishes and 87 rural municipalities as well as the city of Saskatoon. Diocesan history and demographics, calendar of events, ministries, office contacts, and parish directory.
- http://www.saskatoonrcdiocese.com/

Diocese of Saint Catharines
- Ontario, serving parishes in all of Niagara and surrounding region. Mission statement, diocesan history, parishes, announcements, events calendar, newspaper, ministries, vocations, and links.
- http://www.romancatholic.niagara.on.ca/

Diocese of Prince George
- British Columbia. Administration, diocesan statistics, services, parish directory, schools, and resources.
- http://www.pgdiocese.bc.ca/

Diocese of Prince Albert
- Saskatchewan, the oldest of three Roman Catholic dioceses in the province, serving 83 parishes in the north-central region. Site includes pastoral staff, diocesan offices, parish and school directories, ministries, shrines, parent's page, and links.
- http://www.padiocese.sk.ca/

Diocese of Peterborough
- Ontario, established in 1882. History, parish and priest directories, news, documents on liturgy, administrative contacts, organizations, and links.
- http://www.peterboroughdiocese.org/

Diocese of Pembroke
- In the Ottawa Valley, Ontario and Quebec. Current events, newsletter, administrative services, and parish directory. Site in French and English.
- http://diocesepembroke.ca/

Diocese of Nelson
- British Columbia. Diocesan offices, committees, calendar of events, schools, prayer houses, organizations, parish directories, and religious orders.
- http://www.diocese.nelson.bc.ca/

Diocese of London
- Ontario, serving approximately 175 parishes and missions in nine counties in southwestern region. Statistics, biographies of the bishops, directory of parishes, diocesan offices, vocations information, and a directory of web sites within the diocese.
- http://www.rcec.london.on.ca/

Diocese of Hamilton
- Ontario, Canada. Demographic information and access point to the people, services, and organizations in the Diocese, including an event calendar, contacts and links to education, vocations and related topics.
- http://www.hamiltondiocese.com/

Diocese of Charlottetown
- Prince Edward Island, Canada. Information about bishop, contacts, diocesan news, clerical directory, parish directory and map, pastoral programs, vocations, marriage tribunal, services, events, news and links.
- http://www.dioceseofcharlottetown.com/

Diocese of Calgary
- Alberta. Diocesan offices, parish directory, pastoral letters, diocesan calendar, newspaper, vocations, employment opportunities, and links.
- http://www.rcdiocese-calgary.ab.ca/

Diocese of Antigonish
- Nova Scotia. History, events, parish directory, contacts, ministries, and links.
- http://www.antigonishdiocese.com/

Diocese of Alexandria-Cornwall
- Ontario. Parishes, contacts, events, and ministry links. Information in English and French. Requires cookies.
- http://www.alexandria-cornwall.ca/index.php

Archdiocese of Vancouver
- British Columbia. Parish directory, education, newspaper, organizations, charities, information on the synod, and vocations. Features calendar on-line event submission.
- http://www.rcav.org/index.htm

Archdiocese of Toronto
- Ontario. Ministries, affiliated organizations, catechetical resources, spiritual resources, parish directory, and school boards.
- http://www.archtoronto.org/

Archdiocese of Regina
- Saskatchewan. Description of cathedral, John Paul II Center, offices, pastoral services, parish directory, vocations, Catholic Family Services, newsletter, schools, and links. JavaScript-dependent.
- http://www.archregina.sk.ca/

Archdiocese of Ottawa
- Ontario. Contacts, history, parishes, administration, chancery, ministries, statements and press releases, news archive, and links. Site in French and English.
- http://www.ecclesia-ottawa.org/

Archdiocese of Kingston
- Ontario, serving the southeastern portion of the Canadian province. Mission statement, parish directory, information for genealogy researchers, news, contact persons at the chancery.
- http://www.romancatholic.kingston.on.ca/

Archdiocese of Halifax
- Nova Scotia, serving five counties in the center of the province. Statistics, historical timeline, archdiocesan offices, directory of parishes and missions, Mass times around the archdiocese.
- http://www.catholichalifax.org/

Archdiocese of Edmonton
- Alberta. Chancery offices, Alberta Tribunal, pastoral commissions, provincial parish map and directory, vocations, education, and links.
- http://www.edmontoncatholic-church.com/