List of Roman Catholic dioceses in the Pacific Episcopal Conference

Ecclesiastical Province of Agaña

 * Archdiocese of Agaña
 * Diocese of Caroline Islands
 * Diocese of Chalan Kanoa
 * Prefecture of the Marshall Islands

Ecclesiastical Province of Nouméa

 * Archdiocese of Nouméa
 * Diocese of Port-Vila
 * Diocese of Wallis et Futuna

Ecclesiastical Province of Papeete

 * Archdiocese of Papeete
 * Diocese of Taiohae o Tefenuaenata

Ecclesiastical Province of Samoa-Apia

 * Archdiocese of Samoa-Apia
 * Diocese of Samoa-Pago Pago
 * Mission Sui Iuris of Tokelau

Ecclesiastical Province of Suva

 * Archdiocese of Suva
 * Diocese of Rarotonga
 * Diocese of Tarawa and Nauru
 * Mission Sui Iuris of Funafuti

Immediate Subject to the Holy See

 * Roman Catholic Diocese of Tonga