Apia (Diocese), American Samoa; Historical, see Samoa-Apia (Archdiocese)
Apia o Samoa and Tokelau (Diocese), American Samoa; Historical, see Samoa-Apia (Archdiocese)
Archipelago of the Navigators {Arcipelago dei Navigatori} (Vicariate Apostolic), American Samoa; Historical, see Samoa-Apia (Archdiocese)
Caroline and Marshall Islands (Vicariate Apostolic), Federated States of Micronesia; Historical, see Caroline Islands (Diocese), Federated States of Micronesia
Caroline Islands (Prefecture Apostolic), Federated States of Micronesia; Historical, see Caroline Islands (Diocese), Federated States of Micronesia
Gilbert Islands {Isole Gilbert} (Vicariate Apostolic), Kiribati; Historical, see Tarawa and Nauru (Diocese), Kiribati
Guam (Vicariate Apostolic); Historical, see Agaña (Archdiocese), Guam
Isole Samoa e Tokelau (Vicariate Apostolic), American Samoa; Historical, see Samoa-Apia (Archdiocese)
Marianne and Caroline Islands (Vicariate Apostolic), Federated States of Micronesia; Historical, see Caroline Islands (Diocese), Federated States of Micronesia
Marianne, Caroline, and Marshall Islands (Vicariate Apostolic), Federated States of Micronesia; Historical, see Caroline Islands (Diocese), Federated States of Micronesia
Marianne Islands (Prefecture Apostolic), Federated States of Micronesia; Historical
Marquesas Islands {Isole Marchesi} (Vicariate Apostolic), French Polynesia; Historical, see Taiohae o Tefenuaenata (Diocese), French Polynesia