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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NEWS AND EVENTS
Statement by the Most Rev. William T. McGrattan, Bishop of Calgary and CCCB President, to the Catholic Faithful in Canada on the Recent Escalation of Conflict in the Holy Land – CCCB Statement
Statement of Apology by the Catholic Bishops of Canada to the Indigenous Peoples of This Land. https://www.cccb.ca/letter/statement-of-apology-by-the-catholic-bishops-of-canada-to-the-indigenous-peoples-of-this-land/
Canadian Bishops Announce $30M National Financial Pledge to Support Healing and Reconciliation Initiatives. https://www.cccb.ca/media-release/canadian-bishops-announce-30m-national-financial-pledge-to-support-healing-and-reconciliation-initiatives/
Synod on Synodality – For a Synodal Church: Communion, Participation and Mission. Regional Synodal Synthesis from the Ontario Dioceses – ACBO Regional Synod Synthesis Report
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 Exarchate
- Syro-Malabar Eparchy
- Thunder Bay
- Timmins
- Toronto (archdiocese)
- Ukrainian Eparchy