The Cathedral of St. Joseph () in Gatineau, Quebec, is a parish of the Roman Catholic Church and seat of the Archdiocese of Gatineau (Archidioecesis Gatinensis). The cathedral church is located in the former city of Hull, at 245, boulevard Saint-Joseph.
Its construction began in 1951 and ended the following year under the plan and design of Lucien Sarra-Bournet.