| Date | From | To | ||
|---|---|---|---|---|
| 1 Jan | Prefecture Apostolic of Guinea Portoghese, Guinea-Bissau | Name Changed | Prefecture Apostolic of Guinea-Bissau, Guinea-Bissau | Name Changed |
| 20 Jan | Diocese of Tezpur, India (Bhutan) | Territory Lost | Diocese of Darjeeling, India | Territory Added |
| 20 Jan | Diocese of Vellore, India (Chitoor, Palmaner, Kuppam, Bangarupalem, and Satyavedu (all of Chitoor)) | Territory Lost | Diocese of Nellore, India | Territory Added |
| 23 Jan | Archdiocese of Québec, Canada (Notre-Dame-des-Neiges (Lac-Édouard)) | Territory Lost | Diocese of Trois-Rivières, Québec, Canada | Territory Added |
| 23 Jan | Archdiocese of Québec, Canada (Ganton Sagard) | Territory Lost | Diocese of Chicoutimi, Québec, Canada | Territory Added |
| 30 Jan | Diocese of Nha Trang, Viet Nam (Binh-Tuy and Binh-Thûan) | Territory Lost | Diocese of Phan Thiết, Viet Nam | Erected |
| 25 Feb | Delegation to Angola | Established | ||
| 17 Mar | Diocese of San Fernando, Philippines (Bataan) | Territory Lost | Diocese of Balanga, Philippines | Erected |
| 17 Mar | Diocese of San Fernando, Philippines | Elevated | Archdiocese of San Fernando, Philippines | Elevated |
| 17 Mar | Territorial Prelature of Iba, Philippines (from Manila) | Metropolitan Changed | ||
| 17 Mar | Diocese of Tarlac, Philippines (from Lingayen-Dagupan) | Metropolitan Changed | ||
| 19 Mar | Delegation to Antilles | Established | ||
| 12 Apr | Diocese of Bikoro, Congo (Dem. Rep.) (Bolobo and Yumbi) | Suppressed | Diocese of Inongo, Congo (Dem. Rep.) | Territory Added |
| 12 Apr | Diocese of Bikoro, Congo (Dem. Rep.) (Bikoro, Irebu, Bokongo, Lukolela, Itipo, and Iboko)
Archdiocese of Mbandaka, Congo (Dem. Rep.) | Name Changed | Archdiocese of Mbandaka-Bikoro, Congo (Dem. Rep.) | Name Changed |
| 28 Apr | Diocese of Sideia, Papua New Guinea | Name Changed | Diocese of Alotau-Sideia, Papua New Guinea | Name Changed |
| 30 Apr | Vicariate Apostolic of Darién, Panama (Archipiélago de Las Perlas) | Territory Lost | Archdiocese of Panamá | Territory Added |
| 6 May | [SSPX Society of Saint Pius X] | Suppressed | ||
| 30 May | Diocese of Segorbe-Castellón de la Plana, Spain (Arcos de las Salinas, Cervera, and Las Dueñas) | Territory Lost | Diocese of Teruel (-Albarracín), Spain | Territory Added |
| 30 May | Diocese of Segorbe-Castellón de la Plana, Spain (Santa Cruz de Moya) | Territory Lost | Diocese of Cuenca, Spain | Territory Added |
| 5 Jun | Diocese of Ambanja, Madagascar (Comores islands) | Territory Lost | Apostolic Administration of Comores | Erected |
| 12 Jun | Diocese of Parnaíba, Piaui, Brazil (Barras, Porto, and Nossa Senhora dos Bemedios)
Archdiocese of Teresina, Piaui, Brazil (Alto Longa, Beneditinos, Altos, Campo Maior, Capitâo de Campos, Castelo do Piauí, São João da Serra, José de Freitas, Miguel Alves, and Sao Miguel do Tapuio) | Territory Lost | Diocese of Campo Maior, Piaui, Brazil | Erected |
| 12 Jun | Diocese of Chapecó, Santa Catarina, Brazil (Agua Doce)
Diocese of Caçador, Santa Catarina, Brazil (Concordia and Ponte Serrada) Diocese of Lages, Santa Catarina, Brazil (Campos Novos, Capinzal, Castelo Branco, Catanduvas, Erval Velho, Herval do Oeste, Ibicaré, Ipira, Iraní, Jaborá, Joaçaba, Lacerdopolis, Ouro, Peritiba, Piratuba, and Tangará) | Territory Lost | Diocese of Joaçaba, Santa Catarina, Brazil | Erected |
| 20 Jun | Diocese of Keta, Ghana | Name Changed | Diocese of Keta-Ho, Ghana | Name Changed |
| 3 Jul | Diocese of Ventimiglia, Italy | Name Changed | Diocese of Ventimiglia-San Remo, Italy | Name Changed |
| 5 Jul | Archdiocese of Ancona e Numana, Italy | Name Changed | Archdiocese of Ancona (-Numana), Italy | Name Changed |
| 11 Jul | Congregation for Divine Worship, Roman Curia
Congregation of the Discipline of the Sacraments, Roman Curia | United | Congregation for Sacraments and Divine Worship, Roman Curia | United |
| 16 Jul | Patriarchate of Lisboa {Lisbon}, Portugal (Santarem) | Territory Lost | Diocese of Santarém, Portugal | Erected |
| 16 Jul | Diocese of Beja, Portugal (Melides/Ponta de Troia (in Grandola))
Archdiocese of Évora, Portugal (Canha, Pegoês, and Santo Isidro (all in Montijo) and Comporta (in Alcázar do Sal)) Patriarchate of Lisboa {Lisbon}, Portugal (Setubal) | Territory Lost | Diocese of Setúbal, Portugal | Erected |
| 30 Jul | Diocese of Cochabamba, Bolivia | Elevated | Archdiocese of Cochabamba, Bolivia | Elevated |
| 30 Jul | Diocese of Santa Cruz de la Sierra, Bolivia | Elevated | Archdiocese of Santa Cruz de la Sierra, Bolivia | Elevated |
| 30 Jul | Diocese of Oruro, Bolivia (from La Paz) | Metropolitan Changed | ||
| 30 Jul | Territorial Prelature of Aiquile, Bolivia (from Sucre) | Metropolitan Changed | ||
| 4 Aug | Diocese of Luni o La Spezia, Sarzana e Brugnato, Italy | Name Changed | Diocese of La Spezia, Sarzana e Brugnato, Italy | Name Changed |
| 10 Aug | Diocese of Silva Porto, Angola (Cuando-Cubango)
Diocese of Sá da Bandeira, Angola (Ganguela and Jamba (in Huila)) | Territory Lost | Diocese of Serpa Pinto, Angola | Erected |
| 10 Aug | Archdiocese of Luanda, Angola (Cuanza-Sul and Calucinga) | Territory Lost | Diocese of Novo Redondo, Angola | Erected |
| 10 Aug | Diocese of Sá da Bandeira, Angola (Cunene) | Territory Lost | Diocese of Pereira de Eça, Angola | Erected |
| 10 Aug | Archdiocese of Luanda, Angola (Pungo Adongo)
Diocese of Malanje, Angola (Lunda) | Territory Lost | Diocese of Henrique de Carvalho, Angola | Erected |
| 6 Sep | Nunciature to Sri Lanka | Established | ||
| 1 Oct | Diocese of Saint Augustine, Florida, USA (Bay, Calhoun, Escambia, Franklin, Gadsen, Gulf, Holmes, Jackson, Jefferson, Leon, Liberty, Madison, Okaloosa, Santa Rosa, Taylor, Wakulla, Walton, and Washington) | Territory Lost | Diocese of Pensacola-Tallahassee, Florida, USA | Erected |
| 7 Oct | Diocese of Sansepolcro (Borgo San Sepolcro), Italy (Goleata and Santa Sofia along with parts of Bagno di Romagna) | Territory Lost | Diocese of Forli, Italy | Territory Added |
| 7 Oct | Diocese of Sansepolcro (Borgo San Sepolcro), Italy (Verghereto and parts of Bagno di Romagna) | Territory Lost | Diocese of Cesena, Italy | Territory Added |
| 7 Oct | Archdiocese of Genova, Italy (Capraia island) | Territory Lost | Diocese of Livorno, Italy | Territory Added |
| 7 Oct | Diocese of Pistoia, Italy (Cantagallo, Cavarzano, Fossato, CrHcigliana, Luicciana, Mercatale, Migliana, Montepiano, San Quirico, S. Ippolito, Sasseta, and Usella) | Territory Lost | Diocese of Prato, Italy | Territory Added |
| 7 Oct | Diocese of Sovana e Pitigliano, Italy (Rispescia and Alberese) | Territory Lost | Diocese of Grosseto, Italy | Territory Added |
| 7 Oct | Territorial Abbey of Monte Oliveto Maggiore, Italy (Asciano (except the Abbey)) | Territory Lost | Archdiocese of Siena, Italy | Territory Added |
| 20 Nov | Diocese of Kengtung, Myanmar (North-Eastern Shan States and Northern Shan States)
Diocese of Myitkyina, Myanmar (Northern Shan States) | Territory Lost | Prefecture Apostolic of Lashio, Myanmar | Erected |
| 20 Nov | Vicariate Apostolic of Mogadiscio, Somalia | Elevated | Diocese of Mogadiscio, Somalia | Elevated |
| 20 Nov | Diocese of Myitkyina, Myanmar (Sagaing) | Territory Lost | Archdiocese of Mandalay, Myanmar | Territory Added |
| 22 Nov | Diocese of Krishnagar, India (Bagdaha, Bangaon, and Gaighata of the 24 Parganas District) | Territory Lost | Archdiocese of Calcutta, India | Territory Added |
| 1 Dec | Delegation to Papua New Guinea | Name Changed | Delegation to Papua New Guinea and Solomon Islands | Name Changed |
| 3 Dec | Diocese of Apia o Samoa and Tokelau, American Samoa, Pacific (Oceania) | Name Changed | Diocese of Samoa and Tokelau, Pacific (Oceania) | Name Changed |
| 3 Dec | Diocese of Nouna, Burkina Faso | Name Changed | Diocese of Nouna-Dédougou, Burkina Faso | Name Changed |
| 4 Dec | Eparchy of Tellicherry (Syro-Malabar), India (Adakathode, Ambaithode, Chunkakunnu, Kolithattu, Kottiyur, Elappeedika, Edivanna, Monimooly, Nilambur, Palamkara, and Thalanji) | Territory Lost | Eparchy of Mananthavady (Syro-Malabar), India | Territory Added |
| 19 Dec | Diocese of Jaffna, Sri Lanka (Anuradhapura District)
Diocese of Trincomalee-Batticaloa, Sri Lanka (Polonnaruwa District) | Territory Lost | Prefecture Apostolic of Anuradhapura, Sri Lanka | Erected |
| 27 Dec | Nunciature to Dahomey | Name Changed | Nunciature to Benin | Name Changed |
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