| Date | Country | Change |
| 2007.01.02 | Diocese of Mavelikkara (Syro-Malankara Rite) was established (from Metropolitan Archdiocese of Trivandrum and became suffragan of Trivandrum) | |
| 2007.01.27 | Diocese of Ensenada was established (from Metropolitan Archdiocese of Tijuana and Diocese of Mexicali and became suffragan of Tijuana) | |
| 2007.02.10 | Apostolic Prefecture of Nepal was promoted as Apostolic Vicariate of Nepal | |
| 2007.04.26 | Territorial Prelature of Moyobamba lost territory to Diocese of Huánuco | |
| 2007.05.31 | Diocese of Amos lost territory to Diocese of Chicoutimi, Diocese of Joliette and Diocese of Trois-Rivières | |
| 2007.05.31 | Diocese of Saint George’s was renamed as Diocese of Corner Brook and Labrador (gained territory from the suppressed Diocese of Labrador City–Schefferville) | |
| 2007.05.31 | Diocese of Labrador City–Schefferville was suppressed (to Diocese of Amos, Diocese of Baie-Comeau and Diocese of Corner Brook and Labrador) | |
| 2007.05.31 | Diocese of Moosonee lost territory to Diocese of Amos | |
| 2007.06.02 | Diocese of Shendam was established (from Metropolitan Archdiocese of Jos and became suffragan of Jos) | |
| 2007.06.05 | Diocese of Johannesburg was promoted as Metropolitan Archdiocese of Johannesburg (with suffragan sees Klerksdorp, Manzini and Witbank) | |
| 2007.06.06 | Diocese of Caxito was established (from Metropolitan Archdiocese of Luanda and became suffragan of Luanda) | |
| 2007.06.06 | Diocese of Viana was established (from Metropolitan Archdiocese of Luanda and became suffragan of Luanda) | |
| 2007.06.12 | Apostolic Prefecture of Donkorkrom was established (from Diocese of Koforidua) | |
| 2007.06.25 | Diocese of Niamey was promoted as Metropolitan Archdiocese of Niamey (with suffragan see Maradi) | |
| 2007.07.16 | Diocese of Sandakan was established (from Diocese of Kota Kinabalu and became suffragan of Kuching) | |
| 2007.08.29 | Diocese of Bhadravathi (Syro-Malabar Rite) was established (from Diocese of Mananthavady and became suffragan of Tellicherry) | |
| 2007.12.28 | Diocese of Techiman was established (from Diocese of Konongo–Mampong and Diocese of Sunyani and became suffragan of Kumasi) |
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