| Date | From | To | ||
|---|---|---|---|---|
| 1 Jan | Territorial Abbey of Belmont-Mary Help of Christians, North Carolina, USA | Suppressed | Diocese of Charlotte, North Carolina, USA | Territory Added |
| 7 Jan | Diocese of Kildare and Leighlin, Ireland (Greenhills, Brownstown, Logstown, Kilcullen Bridge, Carnalway, Swordlestown South, and Mullaghboy) | Territory Lost | Archdiocese of Dublin, Ireland | Territory Added |
| 7 Jan | Archdiocese of Dublin, Ireland (Central and western part of Naas East and the eastern part of Tipper West) | Territory Lost | Diocese of Kildare and Leighlin, Ireland | Territory Added |
| 8 Jan | Diocese of Sá da Bandeira, Angola (Chongoroi) | Territory Lost | Diocese of Benguela, Angola | Territory Added |
| 13 Jan | Archdiocese of São Luís do Maranhão, Brazil (Bacabal and São Luis de Gonzaga (formerly Ipixuna)) | Territory Lost | Diocese of Bacabal, Maranhão, Brazil | Territory Added |
| 13 Jan | Archdiocese of São Luís do Maranhão, Brazil (Vitoria do Mearim) | Territory Lost | Diocese of Viana, Maranhão, Brazil | Territory Added |
| 13 Jan | Diocese of Viana, Maranhão, Brazil (Zé Doca, Chapéu de Couro, and Bom Jardim) | Territory Lost | Territorial Prelature of Cândido Mendes, Maranhão, Brazil | Territory Added |
| 21 Jan | Archdiocese of Lubumbashi, Congo (Dem. Rep.) | Territory Lost | Diocese of Kilwa, Congo (Dem. Rep.) | Territory Added |
| 25 Jan | Diocese of Jayapura, Indonesia (Kaimana and Wasior) | Territory Lost | Diocese of Manokwari-Sorong, Indonesia | Territory Added |
| 31 Jan | Delegation to Congo, Republic of | Elevated | Nunciature to Congo, Republic of | Elevated |
| 3 Feb | Diocese of Nova Lisboa, Angola | Elevated | Archdiocese of Huambo, Angola | Elevated |
| 3 Feb | Diocese of Indore, India (Khandwa and Khargone) | Territory Lost | Diocese of Khandwa, India | Erected |
| 3 Feb | Diocese of Sá da Bandeira, Angola | Elevated | Archdiocese of Lubango, Angola | Elevated |
| 3 Feb | Prefecture Apostolic of Same, Tanzania | Elevated | Diocese of Same, Tanzania | Elevated |
| 3 Feb | Diocese of Benguela, Angola (from Luanda) | Metropolitan Changed | ||
| 3 Feb | Diocese of Luso, Angola (from Luanda) | Metropolitan Changed | ||
| 3 Feb | Diocese of Silva Porto, Angola (from Luanda) | Metropolitan Changed | ||
| 3 Feb | Diocese of Pereira de Eça, Angola (from Luanda) | Metropolitan Changed | ||
| 3 Feb | Diocese of Serpa Pinto, Angola (from Luanda) | Metropolitan Changed | ||
| 3 Feb | Diocese of São Tomé e Príncipe (from Luanda) | Metropolitan Changed | ||
| 22 Feb | Diocese of Montefeltro, Italy
Diocese of Rimini, Italy (Serravalle and Faetano along with Falciano and Dogana) Diocese of Sarsina, Italy (Rivolparo and Sapigno in Romagnano) | Name Changed | Diocese of San Marino-Montefeltro, Italy | Name Changed |
| 26 Feb | Apostolic Exarchate of Bijnor (Syro-Malabar), India | Elevated | Diocese of Bijnor (Syro-Malabar), India | Elevated |
| 26 Feb | Apostolic Exarchate of Chanda (Syro-Malabar), India | Elevated | Eparchy of Chanda (Syro-Malabar), India | Elevated |
| 26 Feb | Apostolic Exarchate of Jagdalpur (Syro-Malabar), India | Elevated | Diocese of Jagdalpur (Syro-Malabar), India | Elevated |
| 26 Feb | Archeparchy of Changanacherry (Syro-Malabar), India (Kanjirapally, Erumely, Mundakayam, Anakara, Kattapana, and Upputhara) | Territory Lost | Diocese of Kanjirapally (Syro-Malabar), India | Erected |
| 26 Feb | Diocese of Ahmedabad, India (Amreli, Bhavnagar, Jamnagar, Junagadh, Kutch (Bhuj), Rajkot, and Surendranagar) | Territory Lost | Diocese of Rajkot (Syro-Malabar), India | Erected |
| 26 Feb | Archiepiscopal Exarchate of Satna (Syro-Malabar), India | Elevated | Diocese of Satna (Syro-Malabar), India | Elevated |
| 26 Feb | Archiepiscopal Exarchate of Sagar (Syro-Malabar), India | Elevated | Diocese of Sagar (Syro-Malabar), India | Elevated |
| 26 Feb | Apostolic Exarchate of Ujjain (Syro-Malabar), India | Elevated | Diocese of Ujjain (Syro-Malabar), India | Elevated |
| 1 Mar | Diocese of Natchez-Jackson, Mississippi, USA (Jackson, Harrison, Hancock, George, Stone, Pearl River, Greene, Perry, Forrest, Lamar, Marion, Walthall, Wayne, Jones, Covington, Jefferson Davis, and Lawrence) | Territory Lost | Diocese of Biloxi, Mississippi, USA | Erected |
| 1 Mar | Diocese of Natchez-Jackson, Mississippi, USA | Name Changed | Diocese of Jackson, Mississippi, USA | Name Changed |
| 1 Mar | Titular See of Natchesium | Established | ||
| 2 Mar | Archdiocese of New Orleans, Louisiana, USA (Terrebonne and Lafourche and parts of Saint Mary and Jefferson) | Territory Lost | Diocese of Houma-Thibodaux, Louisiana, USA | Erected |
| 5 Mar | Diocese of Sakania, Congo (Dem. Rep.) | Name Changed | Diocese of Sakania-Kipushi, Congo (Dem. Rep.) | Name Changed |
| 7 Mar | Delegation to Papua New Guinea and Solomon Islands | Split | Delegation to Solomon Islands
Nunciature to Papua New Guinea (and Elevated) | Split |
| 11 Mar | Archeparchy of Munhall (Ruthenian), USA | Name Changed | Archeparchy of Pittsburgh (Ruthenian), Pennsylvania, USA | Name Changed |
| 12 Mar | Diocese of Cotabato, Philippines
Territorial Prelature of Kidapawan, Philippines Territorial Prelature of Marbel, Philippines | Territory Added | ||
| 14 Mar | Diocese of Guntur, India (Ongole and of Chirala)
Diocese of Kurnool, India (Markapuram and Giddalur) | Territory Lost | Diocese of Nellore, India | Territory Added |
| 21 Mar | Prefecture Apostolic of Guinea-Bissau, Guinea-Bissau | Elevated | Diocese of Bissau, Guinea-Bissau | Elevated |
| 21 Mar | Prefecture Apostolic of Cheju-Do, Korea (South) | Elevated | Diocese of Cheju, Korea (South) | Elevated |
| 21 Mar | Territorial Abbey of Montecassino, Italy (Serramonacesca, Fara Filiorum Petri and Ripacorbaria in Manoppello) | Territory Lost | Archdiocese of Chieti, Italy | Territory Added |
| 21 Mar | Territorial Abbey of Montecassino, Italy (Tilla Oliven in Rosciano) | Territory Lost | Diocese of Penne e Pescara, Italy | Territory Added |
| 21 Mar | Territorial Abbey of Montecassino, Italy (Pescocostanzo, Ateleta, Barrea, Villetta Barrea, and Civitella Alfedena) | Territory Lost | Diocese of Valva e Sulmona, Italy | Territory Added |
| 21 Mar | Territorial Abbey of Montecassino, Italy (S. Pietro Avellana) | Territory Lost | Diocese of Trivento, Italy | Territory Added |
| 21 Mar | Territorial Abbey of Montecassino, Italy (Acquaviva d'Isernia, Castel S. Vincenzo, Cerro a Volturno, Pizzone, Colli a Volturno, Fornelli, Scapoli and Pantano, Rocchetta a Volturno, and S. Maria Uliveto in the municipality of Pozzilli and Cerasuolo in Filignano) | Territory Lost | Diocese of Isernia e Venafro, Italy | Territory Added |
| 21 Mar | Territorial Abbey of Montecassino, Italy (Sorbello in Sessa Aurunca) | Territory Lost | Diocese of Sessa Aurunca, Italy | Territory Added |
| 21 Mar | Territorial Abbey of Montecassino, Italy (S. Secondinus in Pasturano) | Territory Lost | Diocese of Calvi e Teano, Italy | Territory Added |
| 21 Mar | Territorial Abbey of Montecassino, Italy (S. Peter in Curulis in Esperia) | Territory Lost | Diocese of Aquino, Sora, e Pontecorvo, Italy | Territory Added |
| 21 Mar | Diocese of Isernia e Venafro, Italy (Acquafondata and Casalcassinese, and Viticus) | Territory Lost | Territorial Abbey of Montecassino, Italy | Territory Added |
| 21 Mar | Diocese of Calvi e Teano, Italy (Camino in Roccadevandro) | Territory Lost | Territorial Abbey of Montecassino, Italy | Territory Added |
| 2 Apr | Diocese of Lucena, Philippines (Marinduque) | Territory Lost | Diocese of Boac, Philippines | Erected |
| 13 Apr | Diocese of Ciudad Juárez, Chihuahua, México (Nuevo Casas Grandes, Ascensión, Casas Grandes, Galeana, Ignacio Zaragoza, Ianos, and San Buenaventura) | Territory Lost | Territorial Prelature of Nuevo Casas Grandes, Chihuahua, México | Erected |
| 20 Apr | Territorial Prelature of Virgin Islands, USA | Elevated | Diocese of Saint Thomas, American Virgin Islands, USA (Name Changed and Prelature raised to a Diocese) | Elevated |
| 26 Apr | Archdiocese of Tunja, Colombia (Sagrado Corazón and del Rosario (in Chiquinquirá); Arcabuco, Borbur, Briceño, Buenavista, Caldas, Coper, Chitaraque, Gachantiva, Leiva, Moniquirá, Muzo, Maripí, Otanche, Pauna, Ráquira, Saboyá, San Miguel de Sema, San José de Pare, Santana, Santa Sofia...) | Territory Lost | Diocese of Chiquinquirá, Colombia | Erected |
| 26 Apr | Archdiocese of Tunja, Colombia (Garagoa, Almeida, Berbeo, Chivor, Chinavi ta, Campohermoso, Guateque, Guayatá, Jenesano, La Capilla de Tenza, Los Cedros, Macanal, Miraflores, Pachavita, Páez, Ramiriquí, Rondón, San Eduardo, Santa María, San Luis de Gaceno, Somondoco, Sutatenza, Tibaná..) | Territory Lost | Diocese of Garagoa, Colombia | Erected |
| 30 May | Archdiocese of Calcutta, India (Southern and central part of 24 Paraganas) | Territory Lost | Diocese of Baruipur, India | Erected |
| 30 May | Diocese of Navrongo, Ghana | Name Changed | Diocese of Navrongo-Bolgatanga, Ghana | Name Changed |
| 30 May | Diocese of Tamale, Ghana | Elevated | Archdiocese of Tamale, Ghana | Elevated |
| 30 May | Diocese of Wa, Ghana (from Cape Coast) | Metropolitan Changed | ||
| 27 Jun | Eparchy of Saint Maron of Detroit (Maronite), Michigan, USA | Name Changed | Eparchy of Saint Maron of Brooklyn (Maronite), New York, USA | Name Changed |
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