Catholic DiocesesinFrench Republic (France) | ![]() |
| Former Jurisdiction | Type | Became |
| Accia / Acci Avvien(sis) | Diocese | Now Titular Episcopal See of Mariana en Corse and Titular Episcopal See of Accia |
| Agde Agathen(sis) | Diocese | United with Metropolitan Archdiocese of Montpellier |
| Aire Aturen(sis) | Diocese | Now Diocese of Bayonne, Metropolitan Archdiocese of Bordeaux |
| Aix / Aix-en-Provence Aquen(sis) in Gallia | Metr. Archdiocese | Now Archdiocese of Aix |
| Aix / Aix-en-Provence Aquen(sis) in Gallia | Metr. Archdiocese | Now Archdiocese of Aix |
| Aix / Aix-en-Provence Aquen(sis) in Gallia | Diocese | Now Archdiocese of Aix |
| Alba Helvianorum | Diocese | Now Diocese of Mende |
| Albi Albien(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Montpellier |
| Albi Albien(sis) | Diocese | Now Metropolitan Archdiocese of Montpellier |
| Aléria / Aleria Alerien(sis) | Diocese | Now Diocese of Ajaccio and Titular Episcopal See of Aléria |
| Alès / Alais Alesien(sis) | Diocese | United with Archdiocese of Avignon, Diocese of Mende |
| Alet Electen(sis) | Diocese | Now Diocese of Carcassonne et Narbonne and Titular Episcopal See of Alet |
| Aleth Aleten(sis) | Diocese | Suppressed into |
| Antibes Antipolitanien(sis) | Diocese | Suppressed into Archdiocese of Aix |
| Apt Apten(sis) | Diocese | Now Archdiocese of Avignon, Diocese of Digne and Titular Episcopal See of Apt |
| Arisitum | Diocese | Now Diocese of Nîmes and Titular Episcopal See of Arisitum |
| Arles Arelaten(sis) | Metr. Archdiocese | United with Archdiocese of Aix |
| Arles Arelaten(sis) | Diocese | United with Archdiocese of Aix |
| Auch Auxitan(us) | Metr. Archdiocese | Now Diocese of Agen |
| Auch Auxitan(us) | Diocese | Now Diocese of Agen |
| Auvergne | Diocese | Now Metropolitan Archdiocese of Clermont |
| Auxerre Antissiodoren(sis) | Diocese | United with Diocese of Troyes |
| Avignon Avenionen(sis) | Metr. Archdiocese | Now Archdiocese of Avignon |
| Avignon Avenionen(sis) | Metr. Archdiocese | Now Archdiocese of Avignon |
| Avignon Avenionen(sis) | Diocese | Now Archdiocese of Avignon |
| Avignon Avenionen(sis) | Diocese | Now Archdiocese of Avignon |
| Avranches Abrincen(sis) | Diocese | United with Diocese of Coutances |
| Bazas Bazen(sis) / Vasaten(sis) | Diocese | United with Diocese of Agen, Metropolitan Archdiocese of Bordeaux |
| Belley Bellicen(sis) | Diocese | Now Archdiocese of Chambéry–Saint-Jean-de-Maurienne–Tarentaise, Diocese of Grenoble–Vienne, Metropolitan Archdiocese of Lyon |
| Belley Bellicen(sis) | Diocese | Now Archdiocese of Chambéry–Saint-Jean-de-Maurienne–Tarentaise, Diocese of Grenoble–Vienne, Metropolitan Archdiocese of Lyon |
| Besançon Bisuntin(us) | Diocese | Now Metropolitan Archdiocese of Besançon |
| Bethléem à Clamecy / Bethlehem / Panthenor / Betlemme / Clamecy Bethleemitan(us) / Clamecien(sis) | Diocese | Suppressed into Diocese of Autun |
| Béziers Biterren(sis) | Diocese | United with Metropolitan Archdiocese of Montpellier |
| Boulogne Bononien(sis) | Diocese | United with Diocese of Arras |
| Bourg-en-Bresse Burgien(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Lyon |
| Bourges Bituricen(sis) | Metr. Archdiocese | Now Archdiocese of Bourges |
| Briançonnet Bricantien(sis) | Diocese | Now Titular Episcopal See of Entrevaux and Titular Episcopal See of Briançonnet |
| Cambrai Cameracen(sis) | Metr. Archdiocese | Now Archdiocese of Cambrai |
| Cambrai Cameracen(sis) | Metr. Archdiocese | Now Archdiocese of Cambrai |
| Cambrai Cameracen(sis) | Diocese | Now Archdiocese of Cambrai |
| Cambrai Cameracen(sis) | Diocese | Now Archdiocese of Cambrai |
| Cambrai Cameracen(sis) | Diocese | Now Archdiocese of Cambrai |
| Carcassonne Carcassonen(sis) | Diocese | Now Diocese of Carcassonne et Narbonne |
| Carpentras Carpentoracten(sis) | Diocese | Now Archdiocese of Avignon and Titular Episcopal See of Carpentras |
| Castres Castren(sis) | Diocese | United with Metropolitan Archdiocese of Montpellier |
| Cavaillon Cavallicen(sis) | Diocese | Now Archdiocese of Avignon and Titular Episcopal See of Cavaillon |
| Châlon-sur-Saône Cabillonen(sis) | Diocese | United with Diocese of Autun, Metropolitan Archdiocese of Dijon |
| Châlon-sur-Saône Cabillonen(sis) | Diocese | United with Diocese of Autun, Metropolitan Archdiocese of Dijon |
| Châlons-sur-Marne | Diocese | Now Diocese of Meaux |
| Chambéry Camberien(sis) | Metr. Archdiocese | Now Archdiocese of Chambéry–Saint-Jean-de-Maurienne–Tarentaise |
| Chambéry Camberien(sis) | Metr. Archdiocese | Now Archdiocese of Chambéry–Saint-Jean-de-Maurienne–Tarentaise |
| Chambéry Camberien(sis) | Diocese | Now Archdiocese of Chambéry–Saint-Jean-de-Maurienne–Tarentaise |
| Chambéry–Saint-Jean-de-Maurienne–Tarentaise / Savoie Camberien(sis) | Metr. Archdiocese | Now Archdiocese of Chambéry–Saint-Jean-de-Maurienne–Tarentaise |
| Cimiez Cimellen(sis) | Diocese | Suppressed into Diocese of Nice |
| Clermont Claromontan(us) | Diocese | Now Metropolitan Archdiocese of Clermont |
| Clermont Claromontan(us) | Diocese | Now Metropolitan Archdiocese of Clermont |
| Cluny Cluniacen(sis) | Abbacy nullius | United with |
| Condom Condomien(sis) | Diocese | United with Diocese of Agen |
| Corbeil Corbilien(sis) | Diocese | Now Diocese of Évry–Corbeil-Essonnes |
| Couserans Couseranen(sis) | Diocese | United with Metropolitan Archdiocese of Toulouse |
| Dax / Acqs Aquen(sis) in Gallia / Aquæ Augustæ / Tarbellen(sis) | Diocese | Suppressed into Diocese of Bayonne |
| Die Dien(sis) | Diocese | United with Diocese of Grenoble–Vienne, Diocese of Valence |
| Dijon Divionen(sis) | Diocese | Now Metropolitan Archdiocese of Dijon |
| Dol Dolen(sis) | Metr. Archdiocese | United with Diocese of Évreux, Diocese of Quimper, Metropolitan Archdiocese of Rennes, Diocese of Saint-Brieuc |
| Dol Dolen(sis) | Diocese | United with Diocese of Évreux, Diocese of Quimper, Metropolitan Archdiocese of Rennes, Diocese of Saint-Brieuc |
| Eauze / Elusa Elusen(sis) | Metr. Archdiocese | Suppressed into Archdiocese of Auch |
| Elne Elnen(sis) | Diocese | Now Diocese of Carcassonne et Narbonne |
| Embrun Ebrodunen(sis) | Metr. Archdiocese | Suppressed into Diocese of Digne |
| Embrun Ebrodunen(sis) | Diocese | Suppressed into Diocese of Digne |
| France (Ukrainian Rite) Galliæ | Apostolic Exarchate | Now Diocese of Saint-Vladimir-le-Grand de Paris |
| France | Military Vicariate | Now Military Ordinariate of Diocèse aux Armées Françaises |
| France (Armenian Rite) | Apostolic Vicariate | Now Diocese of Sainte-Croix-de-Paris |
| Fréjus Foroiulien(sis) | Diocese | Now Archdiocese of Aix |
| Fréjus Foroiulien(sis) | Diocese | Now Archdiocese of Aix |
| Fréjus Foroiulien(sis) | Diocese | Now Archdiocese of Aix |
| Gap Vapincen(sis) | Diocese | Now Archdiocese of Avignon, Diocese of Digne, Diocese of Grenoble–Vienne, Diocese of Valence |
| Glandèves Glandaten(sis) / Glandaven(sis) | Diocese | Now Diocese of Digne, Diocese of Nice and Titular Episcopal See of Entrevaux |
| Grasse Grassen(sis) / Grimicen(sis) | Diocese | Suppressed into Archdiocese of Aix |
| Grenoble Gratianopolitan(us) | Diocese | Now Diocese of Grenoble–Vienne |
| Grenoble Gratianopolitan(us) | Diocese | Now Diocese of Grenoble–Vienne |
| Javols | Diocese | Suppressed into |
| Laon Laudunen(sis) | Diocese | United with Diocese of Metz, Diocese of Soissons |
| Lavaur Vaurien(sis) | Diocese | United with Metropolitan Archdiocese of Montpellier |
| Lectoure Lectorien(sis) | Diocese | United with Diocese of Agen, Metropolitan Archdiocese of Toulouse |
| Léon / Saint-Pol-de-Léon Leonen(sis) | Diocese | United with Diocese of Quimper |
| Lescar Lascurren(sis) | Diocese | United with Diocese of Bayonne |
| Lille Insulen(sis) | Diocese | Now Metropolitan Archdiocese of Lille |
| Limoux Limosen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Narbonne |
| Lisieux Lexovien(sis) | Diocese | United with Diocese of Bayeux, Diocese of Évreux, Diocese of Séez |
| Lodève Loteven(sis) | Diocese | United with Metropolitan Archdiocese of Montpellier |
| Lombez Lomberien(sis) | Diocese | United with Diocese of Bayonne, Metropolitan Archdiocese of Toulouse |
| Lyon / Lyons Lugdunen(sis) | Diocese | Now Metropolitan Archdiocese of Lyon |
| Mâcon Matisconen(sis) | Diocese | United with Diocese of Autun, Metropolitan Archdiocese of Lyon |
| Mâcon Matisconen(sis) | Diocese | United with Diocese of Autun, Metropolitan Archdiocese of Lyon |
| Maguelonne Maguelonen(sis) | Diocese | Now Metropolitan Archdiocese of Montpellier |
| Maillezais Malleacen(sis) | Diocese | Now and Titular Episcopal See of Maillezais |
| Mariana Marianen(sis) | Diocese | Now Diocese of Ajaccio and Titular Episcopal See of Mariana en Corse |
| Mariana et Acci | Diocese | Now Diocese of Ajaccio and Titular Episcopal See of Mariana en Corse |
| Marseille Massilien(sis) | Archdiocese | Now Archdiocese of Aix |
| Marseille Massilien(sis) | Diocese | Now Archdiocese of Aix |
| Mirepoix Mirapicen(sis) | Diocese | United with Diocese of Carcassonne et Narbonne, Metropolitan Archdiocese of Toulouse |
| Montpellier Montis Pessulani | Diocese | Now Metropolitan Archdiocese of Montpellier |
| Narbonne Narbonen(sis) | Metr. Archdiocese | Suppressed into Diocese of Carcassonne et Narbonne, Metropolitan Archdiocese of Montpellier |
| Narbonne Narbonen(sis) | Diocese | Suppressed into Diocese of Carcassonne et Narbonne, Metropolitan Archdiocese of Montpellier |
| Nebbio / Nebium Nebien(sis) / Nebiunen(sis) | Diocese | Now Diocese of Ajaccio and Titular Episcopal See of Nebbio |
| Noyon Noviomen(sis) | Diocese | United with Diocese of Amiens, Diocese of Soissons |
| Oloron Oloronen(sis) | Diocese | United with Diocese of Bayonne |
| Orange Auraiacen(sis) | Diocese | Now Archdiocese of Avignon, Diocese of Valence and Titular Episcopal See of Orange |
| Paris Parisien(sis) | Diocese | Now Metropolitan Archdiocese of Paris |
| Poitiers Pictavien(sis) | Diocese | Now Metropolitan Archdiocese of Poitiers |
| Poitiers Pictavien(sis) | Diocese | Now Metropolitan Archdiocese of Poitiers |
| Poitiers Pictavien(sis) | Diocese | Now Metropolitan Archdiocese of Poitiers |
| Poitiers Pictavien(sis) | Diocese | Now Metropolitan Archdiocese of Poitiers |
| Reims Remen(sis) | Diocese | Now Diocese of Meaux, Diocese of Metz |
| Rennes Rhedonen(sis) | Diocese | Now Metropolitan Archdiocese of Rennes |
| Rennes Rhedonen(sis) | Diocese | Now Metropolitan Archdiocese of Rennes |
| Rezé | Diocese | Suppressed into Diocese of Nantes |
| Rieux Riven(sis) | Diocese | United with Metropolitan Archdiocese of Toulouse |
| Riez Reien(sis) | Diocese | United with Archdiocese of Aix, Diocese of Digne |
| Rouen Rothomagen(sis) | Diocese | Now Metropolitan Archdiocese of Rouen |
| Sagone / Sagona Sagonen(sis) | Diocese | Now Diocese of Ajaccio and Titular Episcopal See of Sagone |
| Saint-Bertrand-de-Comminges Convenarum | Diocese | United with Diocese of Bayonne, Metropolitan Archdiocese of Toulouse |
| Saint-Claude Sancti Claudii | Abbacy nullius | Now Metropolitan Archdiocese of Besançon |
| Saint-Jean-de-Maurienne Maurianen(sis) | Diocese | Suppressed into Archdiocese of Chambéry–Saint-Jean-de-Maurienne–Tarentaise |
| Saint-Jean-de-Maurienne Maurianen(sis) | Diocese | Suppressed into Archdiocese of Chambéry–Saint-Jean-de-Maurienne–Tarentaise |
| Saint-Jean-de-Maurienne Maurianen(sis) | Diocese | Suppressed into Archdiocese of Chambéry–Saint-Jean-de-Maurienne–Tarentaise |
| Saint-Malo Sancti Maclovii | Diocese | United with Metropolitan Archdiocese of Rennes, Diocese of Saint-Brieuc, Diocese of Vannes |
| Saint-Omer Audomaren(sis) | Diocese | United with Diocese of Arras, Archdiocese of Cambrai |
| Saint-Oyand de Joux | Abbacy nullius | Now Metropolitan Archdiocese of Besançon |
| Saint-Papoul Sancti Papuli | Diocese | Now Diocese of Carcassonne et Narbonne, Metropolitan Archdiocese of Toulouse and Titular Episcopal See of Saint-Papoul |
| Saint-Paul-Trois-Châteaux Tricastinen(sis) | Diocese | United with Archdiocese of Avignon, Diocese of Valence |
| Saint-Pons-de-Thomières Sancti Pontii Thomeriarum | Diocese | United with Metropolitan Archdiocese of Montpellier |
| Saint-Quentin Sanquintinen(sis) | Diocese | United with |
| Saintes Santonen(sis) | Diocese | United with Diocese of AngoulĂŞme, Diocese of La Rochelle, Metropolitan Archdiocese of Poitiers |
| Sarlat Sarlaten(sis) | Diocese | United with Diocese of AngoulĂŞme |
| Senez Sanecien(sis) | Diocese | Now Archdiocese of Aix, Diocese of Digne, Diocese of Nice and Titular Episcopal See of Senez |
| Senlis Silvanecten(sis) | Diocese | United with Diocese of Amiens, Diocese of Meaux |
| Sens Senonen(sis) | Metr. Archdiocese | Now Diocese of Troyes |
| Sisteron Sistarien(sis) | Diocese | United with Archdiocese of Avignon, Diocese of Digne, Diocese of Valence |
| Sospel Cespitellen(sis) / Sospitellen(sis) | Diocese | Suppressed into Diocese of Ventimiglia–San Remo |
| Strasbourg Argentinen(sis) / Argentoraten(sis) | Diocese | Now Archdiocese of Strasbourg |
| Strasbourg Argentinen(sis) / Argentoraten(sis) | Diocese | Now Archdiocese of Strasbourg |
| Strasbourg Argentinen(sis) / Argentoraten(sis) | Diocese | Now Archdiocese of Strasbourg |
| Strasbourg Argentinen(sis) / Argentoraten(sis) | Diocese | Now Archdiocese of Strasbourg |
| Tarbes Tarbien(sis) | Diocese | Now Diocese of Agen, Diocese of Bayonne |
| Tarentaise Tarantasien(sis) | Metr. Archdiocese | Suppressed into Archdiocese of Chambéry–Saint-Jean-de-Maurienne–Tarentaise |
| Tarentaise Tarantasien(sis) | Diocese | Suppressed into Archdiocese of Chambéry–Saint-Jean-de-Maurienne–Tarentaise |
| Thérouanne Morinen(sis) | Diocese | Now and Titular Episcopal See of Thérouanne |
| Thérouanne Morinen(sis) | Diocese | Now and Titular Episcopal See of Thérouanne |
| Toul Tullen(sis) | Diocese | United with Diocese of Nancy |
| Toulon Tolonen(sis) | Diocese | Suppressed into Archdiocese of Aix |
| Toulouse Tolosan(us) | Diocese | Now Metropolitan Archdiocese of Toulouse |
| Tours Turonen(sis) | Diocese | Now Metropolitan Archdiocese of Tours |
| Tréguier Trecoren(sis) | Diocese | United with Diocese of Quimper, Diocese of Saint-Brieuc |
| Uzès Ucetien(sis) / Uticen(sis) | Diocese | United with Archdiocese of Avignon, Diocese of Mende |
| Vabres Vabren(sis) | Diocese | United with Diocese of Cahors, Metropolitan Archdiocese of Montpellier |
| Vaison / Vaison-la-Romaine Vasionen(sis) | Diocese | Now Archdiocese of Avignon and Titular Episcopal See of Vaison |
| Vence Vincien(sis) | Diocese | Suppressed into Archdiocese of Aix |
| Vernay | Diocese | Suppressed |
| Vienne Viennen(sis) Allobrogum | Metr. Archdiocese | Suppressed into Diocese of Grenoble–Vienne, Diocese of Valence |
| Vienne Viennen(sis) Allobrogum | Diocese | Suppressed into Diocese of Grenoble–Vienne, Diocese of Valence |
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