Catholic DiocesesinRepublic of Iceland (Iceland) | ![]() |
| Former Jurisdiction | Type | Became |
| Hólar / Hólar Holaren(sis) | Diocese | Now Titular Episcopal See of Hólar and Titular Episcopal See of Hólar |
| Islanda Islandiæ | Apostolic Vicariate | Now Diocese of Reykjavík |
| Islanda Islandiæ | Apostolic Prefecture | Now Diocese of Reykjavík |
| North Pole | Apostolic Prefecture | Suppressed into Diocese of Aberdeen, Metropolitan Archdiocese of Grouard–McLennan, Diocese of København, Metropolitan Archdiocese of Rimouski, Metropolitan Archdiocese of Saint-Boniface, Diocese of Stockholm |
| North Pole Poli Arctici | Apostolic Prefecture | Suppressed into Diocese of Aberdeen, Metropolitan Archdiocese of Grouard–McLennan, Diocese of København, Metropolitan Archdiocese of Rimouski, Metropolitan Archdiocese of Saint-Boniface, Diocese of Stockholm |
| Skálholt Schalholten(sis) | Diocese | Now Titular Episcopal See of Skálholt and Titular Episcopal See of Skálholt |
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