Roman Catholic Churches in Ontario

St. Casimir Catholic Church is a parish that serves the Sudbury community with regular Mass services and community outreach.

Our Lady of the Assumption Parish is a Roman Catholic Parish that serves as a sacramental community grounded by sacred scripture, aiming to be a beacon of mercy, service, and discipleship in the West Windsor area.

Holy Trinity Croatian Catholic Parish is dedicated to serving the Croatian community with a focus on maintaining their cultural heritage and Catholic faith.

The Windsor Heritage Catholic Family of Parishes is a collaboration of historically significant parishes in Windsor, Ontario, focused on celebrating and living out the Catholic faith within the community.

St. Andrew’s Parish is a unique, diverse community of people who live and share life through trusting, loving and serving, striving to preserve their faith traditions while developing a vibrant parish community.

Shrine of Our Lady of Grace at Marylake is a 400-seat Catholic shrine and monastery featuring a distinctive ellipsoidal church with a 100-foot stained glass tower, designed in 1964 by architect J. Stuart Cauley. The shrine serves as a spiritual center with world-class acoustics and hosts daily liturgies, performances, and conferences.

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

Holy Cross is a vibrant community located in Oshawa, Ontario, under the pastoral guidance of Rev. Marijan Sisko. The church is welcoming to new members and visitors.

Vietnamese Martyrs Parish serves the Vietnamese Catholic community in Toronto, offering various sacramental and spiritual services.

St. Mark's Parish in Stouffville is a Roman Catholic community committed to fostering faith and service among its members.

St. Nicholas of Bari Parish is a community committed to the teachings of the Catholic Church and fosters a welcoming environment for spiritual growth and faith development.

Notre communauté paroissiale est vivante. Nous offrons les services que toute paroisse catholique offre habituellement, avec pour devise “évangélisation, liturgie, et leadership.”

St. Mary's Parish is part of the London East Central Catholic Family of Parishes, serving the community with a variety of services and masses in English, Polish, and Italian.

St. Clare's Parish is a Roman Catholic community in Toronto focused on faith, service, and inclusivity, engaging through various ministries and programs.

St. Paul the Apostle Parish is a Catholic community in Toronto dedicated to fostering faith through worship, education, and community service.

St. Joseph's Parish aims to create a welcoming community where everyone feels at home, fostering faith, love, and service to others through the principles of the Roman Catholic faith.

Holy Rosary Parish is a Roman Catholic Church in Guelph, Ontario, serving the community with a mission focused on care for all persons and living a faith that advocates for the poor and justice.

St. Mary Our Lady Queen of Poland Parish serves the community with Mass services in Polish and English and various festive events throughout the year.