WHO WE ARE
The Assembly of Catholic Bishops of Ontario is the association through which the Ontario Catholic Bishops collaborate on projects to proclaim, celebrate, and live the Good News of Jesus Christ in the province of Ontario.
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Dioceses and Eparchies
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Bishops/Eparchs
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Parish communities
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Catholic population
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Total Provincial land Mass
THE WORK OF THE ACBO
To proclaim, celebrate, and live the Good News of Jesus Christ
Bishops and Diocesan representatives come together on issues and programs which support clergy, parishes, education, and social justice initiatives.
The Assembly Office works with the Bishops to coordinate their efforts across the Province of Ontario.
Associated
Organizations
Liaison Bishops are appointed to work closely to support initiatives and programs affecting the whole community.
ONTARIO DIOCESES/EPARCHIES
Serving our Catholic Community

- Hamilton
- Hearst-Moosonee
- Kingston (archdiocese)
- London
- Mar Addai Chaldean Catholic Eparchy of Canada
- Military Ordinariate
- Ottawa-Cornwall (archdiocese)
- Pembroke
- Peterborough
- St. Catharines
- Sault Ste. Marie
- Slovak Eparchy
- Syro-Malabar Eparchy
- Thunder Bay
- Timmins
- Toronto (archdiocese)
- Ukrainian Eparchy