Catholic DiocesesinFederated States of Micronesia (Micronesia) | ![]() |
| Former Jurisdiction | Type | Became |
| Caroline and Marshall Islands / Isole Caroline e Marshall Carolinen(sis) et de Marshall | Apostolic Vicariate | Now Diocese of Caroline Islands |
| Caroline Islands | Apostolic Prefecture | Now Diocese of Caroline Islands |
| Carolines–Marshalls Carolinensium–Marshallensium | Diocese | Now Diocese of Caroline Islands |
| Eastern Carolines | Independent Mission | Suppressed into |
| Mariana, Caroline, and Marshall Islands / Isole Marianne, Caroline e Marshall / Mariane, Caroline e Marshall | Apostolic Vicariate | Now Diocese of Caroline Islands |
| Mariana and Caroline Islands | Apostolic Vicariate | Now Diocese of Caroline Islands |
| Micronesia Micronesiæ | Apostolic Vicariate | Suppressed into Metropolitan Archdiocese of Rabaul |
| Micronesia Micronesiæ | Apostolic Prefecture | Suppressed into Metropolitan Archdiocese of Rabaul |
| Western Carolines | Independent Mission | Suppressed into |
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