| Date | Country | Change |
| 1822 | Metropolitan Archdiocese of Salzburg lost territory to Diocese of Passau | |
| 1822 | Diocese of Carpi lost territory to Diocese of Modena | |
| 1822 | Diocese of Novara lost territory to Diocese of Sion | |
| 1822.02.15 | Diocese of Annecy was established (from Metropolitan Archdiocese of Chambéry and became suffragan of Chambéry) | |
| 1822.02.18 | Diocese of Luni–Sarzana lost territory to Diocese of Massa Carrara | |
| 1822.02.18 | Abbacy nullius of Massa Carrara was promoted as Diocese of Massa Carrara (gained territory from Diocese of Luni–Sarzana and became suffragan of Pisa) | |
| 1822.07.03 | Archdiocese of Lucca lost territory to Diocese of Massa Carrara | |
| 1822.08.13 | Apostolic Vicariate of Mississippi and Alabama was established (from Diocese of Louisiana and the Two Floridas) | |
| 1822.10.06 | Diocese of Aire was restored (from Metropolitan Archdiocese of Bordeaux and became suffragan of Auch) | |
| 1822.10.06 | Metropolitan Archdiocese of Albi was restored (from Diocese of Montpellier and with suffragan sees Cahors, Mende, Perpignan–Elne and Rodez) | |
| 1822.10.06 | Diocese of Amiens exchanged territory with Diocese of Arras | |
| 1822.10.06 | Diocese of Arras exchanged territory with Diocese of Amiens | |
| 1822.10.06 | Metropolitan Archdiocese of Auch was restored (from Diocese of Agen and with suffragan sees Aire, Bayonne and Tarbes) | |
| 1822.10.06 | Diocese of Avignon was promoted as Metropolitan Archdiocese of Avignon (with suffragan sees Montpellier, Nîmes, Valence and Viviers and lost territory to establish Diocese of Nîmes) | |
| 1822.10.06 | Diocese of Beauvais was restored (from Diocese of Amiens and became suffragan of Reims) | |
| 1822.10.06 | Diocese of Belley was restored (from Metropolitan Archdiocese of Lyon and became suffragan of Besançon) | |
| 1822.10.06 | Diocese of Blois was restored (from Diocese of Orléans and became suffragan of Paris) | |
| 1822.10.06 | Diocese of Chartres was restored (from Diocese of Versailles and became suffragan of Paris) | |
| 1822.10.06 | Diocese of Châlons was restored (from Diocese of Meaux and became suffragan of Reims) | |
| 1822.10.06 | Diocese of Fréjus was restored (from Metropolitan Archdiocese of Aix and became suffragan of Aix) | |
| 1822.10.06 | Diocese of Gap was restored (from Diocese of Digne and became suffragan of Aix) | |
| 1822.10.06 | Diocese of Langres was restored (from Diocese of Dijon and became suffragan of Lyon) | |
| 1822.10.06 | Diocese of Le Puy-en-Velay was restored (from Diocese of Clermont and became suffragan of Bourges) | |
| 1822.10.06 | Diocese of Luçon was restored (from Diocese of La Rochelle) | |
| 1822.10.06 | Diocese of Marseille was restored (from Metropolitan Archdiocese of Aix and became suffragan of Aix) | |
| 1822.10.06 | Diocese of Montauban was restored (from Metropolitan Archdiocese of Toulouse, Diocese of Agen and Diocese of Cahors and became suffragan of Toulouse) | |
| 1822.10.06 | Diocese of Nevers was restored (from Diocese of Autun and became suffragan of Bourges) | |
| 1822.10.06 | Diocese of Nîmes was restored (from Diocese of Avignon and became suffragan of Avignon) | |
| 1822.10.06 | Diocese of Pamiers was restored (from Metropolitan Archdiocese of Toulouse and became suffragan of Toulouse) | |
| 1822.10.06 | Diocese of Perpignan–Elne was restored (from Diocese of Carcassonne and became suffragan of Albi) | |
| 1822.10.06 | Diocese of Périgueux was restored (from Diocese of Angoulême and became suffragan of Bordeaux) | |
| 1822.10.06 | Metropolitan Archdiocese of Reims was restored (from Diocese of Meaux and Diocese of Metz and with suffragan sees Amiens, Beauvais, Châlons and Soissons) | |
| 1822.10.06 | Diocese of Rodez was restored (from Diocese of Cahors and became suffragan of Albi) | |
| 1822.10.06 | Diocese of Saint-Claude was restored (from Metropolitan Archdiocese of Besançon and became suffragan of Lyon) | |
| 1822.10.06 | Diocese of Saint-Dié was restored (from Diocese of Nancy and became suffragan of Besançon) | |
| 1822.10.06 | Metropolitan Archdiocese of Sens was restored (from Diocese of Troyes and with suffragan sees Moulins and Troyes) | |
| 1822.10.06 | Diocese of Tarbes was restored (from Diocese of Bayonne and became suffragan of Auch) | |
| 1822.10.06 | Diocese of Tulle was restored (from Diocese of Limoges and became suffragan of Bourges) | |
| 1822.10.06 | Diocese of Verdun was restored (from Diocese of Nancy and became suffragan of Besançon) | |
| 1822.10.06 | Diocese of Viviers was restored (from Diocese of Mende and became suffragan of Avignon) | |
| 1822.11.09 | Archdiocese of Matera was restored (from Metropolitan Archdiocese of Acerenza) |
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