The Diocese of Rouyn-Noranda (Latin: Dioecesis Ruynensis-Norandensis) is a Latin Church diocese that includes part of the Province of Quebec. It was led by an Apostolic Administrator, Bishop Gilles Lemay (of the diocese of Amos, another suffragan in the eccleastical province of Gatineau), after the retirement of Bishop Dorylas Moreau until the current bishop, Joseph Ferdinand Guy Boulanger, was installed on March 21, 2020.
As of 2004, the diocese contains 38 parishes, 24 active diocesan priests, 9 religious priests, and 58,000 Catholics. It also has 84 women religious, and 10 religious brothers.
The following is a list of the bishops of Rouyn-Noranda and their terms of service:
48°14′00″N 79°00′00″W / 48.2333°N 79.0000°W / 48.2333; -79.0000