Tags: Clerical Administrative Region, Diocese.
The Roman Catholic Diocese of Saint-Jean–Longueuil (Latin: Dioecesis Sancti Ioannis–Longoliensis) (erected 9 June 1933 as the Diocese of Saint-Jean-de-Québec) is a suffragan of the Archdiocese of Montréal. It was renamed on 27 February 1982.