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The Committee on Ecumenical and Interreligious Affairs is the principal ecumenical and interfaith organization of the United States Conference of Catholic Bishops.

Active since the 1960s, it is firmly rooted in the teachings of the Second Vatican Council on dialogue between religions (Nostra Aetate) and dialogue between Christians (Unitatis Redintegratio).

Because the United States is one of the most religiously diverse countries in the world, it has also affected the global ecumenical and interfaith movement in collaborating with organizations that have members and leadership in other nations.


Ecumenical dialogue committeesEdit

Interfaith dialogue partnersEdit



  • Mandate of the Committee on the USCCB website — mandate from November 1968 and historical notes about the committee back to 1964