Date | Country | Change |
| 1994 |  Italy | Diocese of San Severo lost territory to Metropolitan Archdiocese of Foggia–Bovino |
| 1994.02.03 |  Cameroon | Diocese of Batouri was established (from Diocese of Bertoua and became suffragan of Yaoundé) |
| 1994.02.14 |  Dominican Republic | Diocese of Santiago de los Caballeros was promoted as Metropolitan Archdiocese of Santiago de los Caballeros (with suffragan sees La Vega, Mao–Monte Cristi and San Francisco de Macorís) |
| 1994.02.19 |  USA | Diocese of Our Lady of Lebanon of Los Angeles (Maronite Rite) was established (from Diocese of Saint Maron of Brooklyn and without ecclesiastical province) |
| 1994.02.25 |  Ecuador | Diocese of Portoviejo was promoted as Metropolitan Archdiocese of Portoviejo (with suffragan see Santo Domingo de los Colorados) |
| 1994.03.14 |  Namibia | Apostolic Vicariate of Keetmanshoop was promoted as Diocese of Keetmanshoop (became suffragan of Windhoek) |
| 1994.03.14 | Namibia | Apostolic Vicariate of Rundu was established (from Apostolic Vicariate of Windhoek and became suffragan of Windhoek) |
| 1994.03.14 | Namibia | Apostolic Vicariate of Windhoek was promoted as Metropolitan Archdiocese of Windhoek (with suffragan sees Keetmanshoop and Rundu and lost territory to establish Apostolic Vicariate of Rundu) |
| 1994.03.23 |  Brazil | Diocese of Araçatuba was established (from Diocese of Lins and became suffragan of Botucatu) |
| 1994.03.26 |  Nigeria | Diocese of Abuja was promoted as Metropolitan Archdiocese of Abuja (with suffragan sees Idah, Lokoja and Makurdi) |
| 1994.03.26 | Nigeria | Diocese of Benin City was promoted as Metropolitan Archdiocese of Benin City (with suffragan sees Issele-Uku and Warri) |
| 1994.03.26 | Nigeria | Diocese of Calabar was promoted as Metropolitan Archdiocese of Calabar (with suffragan sees Ikot Ekpene, Ogoja, Port Harcourt and Uyo) |
| 1994.03.26 | Nigeria | Diocese of Ibadan was promoted as Metropolitan Archdiocese of Ibadan (with suffragan sees Ekiti, Ondo and Oyo) |
| 1994.03.26 | Nigeria | Diocese of Jos was promoted as Metropolitan Archdiocese of Jos (with suffragan sees Maiduguri and Yola) |
| 1994.03.26 | Nigeria | Diocese of Owerri was promoted as Metropolitan Archdiocese of Owerri (with suffragan sees Aba, Ahiara, Okigwe, Orlu and Umuahia) |
| 1994.04.07 |  Germany | Apostolic Administration of Schwerin lost territory to Diocese of Hildesheim |
| 1994.04.18 |  Hungary | Military Ordinariate of Magyarországi katonai ordinariátus was established |
| 1994.04.23 |  Pakistan | Diocese of Lahore was promoted as Metropolitan Archdiocese of Lahore (with suffragan sees Faisalabad, Islamabad–Rawalpindi and Multan) |
| 1994.06.04 |  Colombia | Diocese of Duitama was renamed as Diocese of Duitama–Sogamoso |
| 1994.06.10 |  Ethiopia | Apostolic Prefecture of Jimma–Bonga was established (from Apostolic Vicariate of Nekemte) |
| 1994.06.10 |  Zimbabwe | Diocese of Bulawayo was promoted as Metropolitan Archdiocese of Bulawayo (with suffragan sees Gweru and Hwange) |
| 1994.06.25 |  Bolivia | Diocese of El Alto was established (from Metropolitan Archdiocese of La Paz and became suffragan of La Paz) |
| 1994.06.27 | Germany | Diocese of Berlin was promoted as Metropolitan Archdiocese of Berlin (with suffragan sees Dresden–Meißen and Görlitz and exchanged territory with Apostolic Administration of Görlitz) |
| 1994.06.27 | Germany | Diocese of Dresden–Meißen exchanged territory with Apostolic Administration of Erfurt–Meiningen |
| 1994.06.27 | Germany | Apostolic Administration of Erfurt–Meiningen was promoted as Diocese of Erfurt (gained territory from Diocese of Hildesheim, exchanged territory with Diocese of Dresden–Meißen, Diocese of Fulda and Apostolic Administration of Magdeburg and became suffragan of Paderborn) |
| 1994.06.27 | Germany | Diocese of Fulda exchanged territory with Apostolic Administration of Erfurt–Meiningen |
| 1994.06.27 | Germany | Apostolic Administration of Görlitz was promoted as Diocese of Görlitz (exchanged territory with Diocese of Berlin and Apostolic Administration of Magdeburg and became suffragan of Berlin) |
| 1994.06.27 | Germany | Diocese of Hildesheim lost territory to Diocese of Erfurt |
| 1994.06.27 | Germany | Apostolic Administration of Magdeburg was promoted as Diocese of Magdeburg (lost territory to Diocese of Dresden–Meißen and Diocese of Hildesheim, exchanged territory with Apostolic Administration of Erfurt–Meiningen and Apostolic Administration of Görlitz and became suffragan of Paderborn) |
| 1994.07.01 |  Togo | Diocese of Aného was established (from Metropolitan Archdiocese of Lomé and became suffragan of Lomé) |
| 1994.07.01 | Togo | Diocese of Kara was established (from Diocese of Sokodé and became suffragan of Lomé) |
| 1994.07.01 | Togo | Diocese of Kpalimé was established (from Metropolitan Archdiocese of Lomé and became suffragan of Lomé) |
| 1994.07.05 |  Venezuela | Diocese of Puerto Cabello was established (from Metropolitan Archdiocese of Valencia and became suffragan of Valencia) |
| 1994.07.07 | Venezuela | Diocese of El Vigía–San Carlos del Zulia was established (from Metropolitan Archdiocese of Maracaibo, Metropolitan Archdiocese of Mérida and Diocese of Cabimas and became suffragan of Maracaibo) |
| 1994.07.28 |  Guatemala | Territorial Prelature of Escuintla was promoted as Diocese of Escuintla |
| 1994.07.28 |  Spain | Titular Episcopal See of Emerita Augusta was suppressed (to Metropolitan Archdiocese of Mérida–Badajoz) |
| 1994.07.28 | Spain | Diocese of Badajoz was promoted as Metropolitan Archdiocese of Mérida–Badajoz (with suffragan sees Coria–Cáceres and Plasencia and gained territory from the suppressed Titular Episcopal See of Emerita Augusta) |
| 1994.08.22 | Ecuador | Territorial Prelature of Los Ríos was promoted as Diocese of Babahoyo |
| 1994.09.09 |  Zambia | Diocese of Mbala–Mpika was renamed as Diocese of Mpika |
| 1994.10.24 | Germany | Metropolitan Archdiocese of Hamburg was restored (from Diocese of Hildesheim and Diocese of Osnabrück, from the suppressed Apostolic Administration of Schwerin and with suffragan sees Hildesheim and Osnabrück) |
| 1994.10.24 | Germany | Apostolic Administration of Schwerin was suppressed (to establish Metropolitan Archdiocese of Hamburg) |
| 1994.11.03 | Bolivia | Apostolic Vicariate of Chiquitos was promoted as Diocese of San Ignacio de Velasco (became suffragan of Santa Cruz de la Sierra) |
| 1994.11.11 | Cameroon | Diocese of Bertoua was promoted as Metropolitan Archdiocese of Bertoua (with suffragan sees Batouri, Doumé–Abong’ Mbang and Yokadouma) |
| 1994.12.19 |  Benin | Diocese of Kandi was established (from Diocese of Parakou and became suffragan of Cotonou) |
| 1994.12.19 |  Cote d’Ivoire | Diocese of Bouaké was promoted as Metropolitan Archdiocese of Bouaké (with suffragan sees Abengourou, Bondoukou and Yamoussoukro) |
| 1994.12.19 | Cote d’Ivoire | Diocese of Gagnoa was promoted as Metropolitan Archdiocese of Gagnoa (with suffragan sees Daloa, Man and San Pedro) |
| 1994.12.19 | Cote d’Ivoire | Diocese of Korhogo was promoted as Metropolitan Archdiocese of Korhogo (with suffragan sees Katiola and Odienné and lost territory to establish Diocese of Odienné) |
| 1994.12.19 | Cote d’Ivoire | Diocese of Odienné was established (from Diocese of Daloa, Diocese of Korhogo and Diocese of Man and became suffragan of Korhogo) |
| 1994.12.19 |  Ghana | Diocese of Ho was established (from Diocese of Keta–Ho and became suffragan of Accra) |
| 1994.12.19 | Ghana | Diocese of Jasikan was established (from Diocese of Keta–Ho and became suffragan of Accra) |
| 1994.12.19 | Ghana | Diocese of Keta–Ho was renamed as Diocese of Keta–Akatsi (lost territory to establish Diocese of Ho and Diocese of Jasikan) |
| 1994.12.30 |  Costa Rica | Apostolic Vicariate of Limón was promoted as Diocese of Limón |
