Roman Catholic Churches in Ontario

St. John the Divine Parish is a Catholic church on Baseline Road in west London, part of the Diocese of London.

Saint Joseph's Chaldean Catholic Church is a Catholic parish in London, 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.

Holy Protection of the Blessed Virgin Mary is a Catholic parish in Burlington, 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. Justin Martyr is a Catholic parish in Unionville, 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 Louis Catholic Church is a Catholic parish in Waterloo, 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 Clare's Catholic Church is a Roman Catholic church serving the Smiths Falls, Ontario community. The parish provides regular Mass, confession, religious education, and sacramental preparation for parishioners and visitors.

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

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

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

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

St. Joseph the Worker Parish is a Catholic parish located in Oshawa, Ontario, united in the Eucharist and the teachings of the Church. The community gathers for worship, prayer, and service to others.