The Roman Catholic Archdiocese of Rennes (Lat:Archdiocesis Rhedonensis) is a diocese of the Latin Rite of the Roman Catholic church in France. The diocese is coextensive with the department of Ille et Vilaine. The Archdiocese has 8 suffragans: Diocese of Angers, Diocese of Laval, Diocese of Le Mans, Diocese of Luçon, Diocese of Nantes, Diocese of Quimper, and the Diocese of Saint-Brieuc and the Diocese of Vannes.