Roman Catholic Churches in Ontario

The Church of the Transfiguration is part of the Priestly Society of Saint Pius X (SSPX), a traditionalist Catholic organization that maintains allegiance to pre-Vatican II liturgical practices and theology.

Waterloo Knights of Columbus Council 5135 serves the parishes in and around the Region of Waterloo, Ontario, Canada. Our home base for meetings, activities, and other events is the Columbus Conference Centre.

St. Anne's Roman Catholic Church is a Catholic parish in Mattawa, Ontario, offering the sacraments, Mass, and spiritual formation in the tradition of the Roman Catholic Church. All are welcome to worship and grow in faith.

Saint Boniface Church is a Catholic parish located in Bluewater, Ontario, united in the Eucharist and the teachings of the Church. The community gathers for worship, prayer, and service to others.

Precious Blood Cathedral is a welcoming Catholic community in the Diocese of Sault Ste. Marie, focused on the transformation of individuals and the world through the Gospel of Jesus Christ.

Sts Peter and Paul Roman Catholic Church is a Catholic parish in Hamilton, Ontario, offering the sacraments, Mass, and spiritual formation in the tradition of the Roman Catholic Church. All are welcome to worship and grow in faith.

St Casmir Catholic Church is a Roman Catholic church serving the Lansing, Ontario community. The parish provides regular Mass, confession, religious education, and sacramental preparation for parishioners and visitors.

The Chinese Martyrs Catholic Church is a Roman Catholic church serving the Markham, Ontario community. The parish provides regular Mass, confession, religious education, and sacramental preparation for parishioners and visitors.

Saint-Médard is a Catholic parish located in Gatineau, Ontario, united in the Eucharist and the teachings of the Church. The community gathers for worship, prayer, and service to others.

Madonna Della Risurrezione is a Roman Catholic church serving the Ottawa, Ontario community. The parish provides regular Mass, confession, religious education, and sacramental preparation for parishioners and visitors.

Holy Cross Polish Catholic Church is a Catholic parish in Woodstock, part of the North Oxford Catholic Family of Parishes in the Diocese of London.

St. Anne Catholic Church is a Catholic parish located in Grosse Pointe, Ontario, united in the Eucharist and the teachings of the Church. The community gathers for worship, prayer, and service to others.

Communauté Catholique Ste Marguerite d'Youville is a French-language Catholic community in London, Ontario, part of the Diocese of London.

Sts. Cyril & Methodius Ukrainian Catholic Church is a Catholic parish in St. Catharines, Ontario, offering the sacraments, Mass, and spiritual formation in the tradition of the Roman Catholic Church. All are welcome to worship and grow in faith.