Date | Country | Change |
| 2014.01.13 |  Nigeria,  Angola,  Benin,  Burkina Faso,  Cameroon,  Central African Republic,  Chad,  Congo-Brazzaville,  Congo-Kinshasa,  Cote d’Ivoire,  Equatorial Guinea,  Gabon,  Gambia,  Ghana,  Guinea,  Guinea-Bissau,  Liberia,  Mali,  Mauritania,  Niger,  Senegal,  Sierra Leone,  Togo | Apostolic Exarchate of Western and Central Africa (Maronite Rite) was established |
| 2014.02.13 |  Ukraine | Archiepiscopal Exarchate of Krym (Ukrainian Rite) was established (from Archiepiscopal Exarchate of Odessa–Krym) |
| 2014.02.13 | Ukraine | Archiepiscopal Exarchate of Odessa–Krym (Ukrainian Rite) was renamed as Archiepiscopal Exarchate of Odessa (lost territory to establish Archiepiscopal Exarchate of Krym) |
| 2014.03.18 | Nigeria | Diocese of Pankshin was established (from Metropolitan Archdiocese of Jos and Diocese of Shendam and became suffragan of Jos) |
| 2014.04.02 | Ukraine | Archiepiscopal Exarchate of Donets’k–Kharkiv (Ukrainian Rite) was renamed as Archiepiscopal Exarchate of Donets’k (lost territory to establish Archiepiscopal Exarchate of Kharkiv) |
| 2014.04.02 | Ukraine | Archiepiscopal Exarchate of Kharkiv (Ukrainian Rite) was established (from Archiepiscopal Exarchate of Donets’k–Kharkiv) |
| 2014.05.12 |  Brazil | Diocese of Imaculada Conceição em Prudentópolis (Ukrainian Rite) was established (from Diocese of São João Batista em Curitiba and became suffragan of São João Batista em Curitiba) |
| 2014.05.12 | Brazil | Diocese of São João Batista em Curitiba (Ukrainian Rite) was promoted as Metropolitan Archdiocese of São João Batista em Curitiba (with suffragan see Imaculada Conceição em Prudentópolis and lost territory to establish Diocese of Imaculada Conceição em Prudentópolis) |
| 2014.05.29 |  Romania | Diocese of Sfântul Vasile cel Mare de Bucureşti (Romanian Rite) was established (from Metropolitan Archdiocese of Făgăraş şi Alba Iulia and became suffragan of Făgăraş şi Alba Iulia) |
| 2014.06.09 |  Mexico | Diocese of Izcalli was established (from Diocese of Cuautitlán and became suffragan of Tlalnepantla) |
| 2014.06.25 | Brazil | Metropolitan Archdiocese of Cuiabá lost territory to Diocese of Rondonópolis–Guiratinga |
| 2014.06.25 | Brazil | Diocese of Guiratinga was suppressed (to Diocese of Barra do Garças, Diocese of Primavera do Leste–Paranatinga and Diocese of Rondonópolis–Guiratinga) |
| 2014.06.25 | Brazil | Territorial Prelature of Paranatinga was promoted as Diocese of Primavera do Leste–Paranatinga (gained territory from Diocese of Rondonópolis and gained territory from the suppressed Diocese of Guiratinga) |
| 2014.06.25 | Brazil | Diocese of Rondonópolis was renamed as Diocese of Rondonópolis–Guiratinga (gained territory from Metropolitan Archdiocese of Cuiabá, gained territory from the suppressed Diocese of Guiratinga and lost territory to Diocese of Primavera do Leste–Paranatinga) |
| 2014.07.11 | Gabon | Apostolic Prefecture of Makokou was promoted as Apostolic Vicariate of Makokou |
| 2014.08.08 |  Italy | Diocese of Verona lost territory to Diocese of Vicenza |
| 2014.10 |  Poland | Titular Episcopal See of Pomezania was restored |
| 2014.10 | Poland | Titular Episcopal See of Wigry was restored |
| 2014.10.23 | Italy | Territorial Abbacy of Montecassino lost territory to Diocese of Sora–Cassino–Aquino–Pontecorvo |
| 2014.10.23 | Italy | Diocese of Sora–Aquino–Pontecorvo was renamed as Diocese of Sora–Cassino–Aquino–Pontecorvo (gained territory from Territorial Abbacy of Montecassino) |
| 2014.11.06 |  Tanzania | Diocese of Dodoma was promoted as Metropolitan Archdiocese of Dodoma (with suffragan sees Kondoa and Singida) |
| 2014.11.14 |  Austria | Diocese of Sankt Pölten lost territory to Metropolitan Archdiocese of Wien |
| 2014.12.22 |  India | Diocese of Kuzhithurai was established (from Diocese of Kottar and became suffragan of Madurai) |
| 2014.12.29 |  USA,  Canada | Diocese of Our Lady of Nareg in New York (Armenian Rite) was renamed as Diocese of Our Lady of Nareg in Glendale |
