List of Roman Catholic dioceses in the Balkans

This is a list of Roman Catholic dioceses in the Balkans i.e. dioceses of the Latin Church. In Balkanic Europe, the Roman Catholic Church comprises 8 episcopal conferences, 14 ecclesiastical provinces, 31 suffragan dioceses and 1 apostolic administration. There are 5 archdioceses, 3 dioceses, and 1 apostolic vicariate that are immediately subject to the Holy See.

Ecclesiastical Province of Shkodër-Pult

 * Archdiocese of Shkodër-Pult
 * Diocese of Lezhë
 * Diocese of Sapë

Ecclesiastical Province of Tiranë-Durrës

 * Archdiocese of Tiranë-Durrës
 * Diocese of Rrëshen
 * Apostolic Administration of Southern Albania

Ecclesiastical Province of Sarajevo

 * Archdiocese of Vrhbosna
 * Diocese of Banja Luka
 * Diocese of Mostar-Duvno
 * Diocese of Skopje
 * Diocese of Trebinje-Mrkan

Ecclesiastical Province of Rijeka

 * Archdiocese of Rijeka
 * Diocese of Gospić–Senj
 * Diocese of Krk
 * Diocese of Poreč i Pula

Ecclesiastical Province of Sirmio

 * Archdiocese of Djakovo-Osijek
 * Diocese of Požega
 * Diocese of Srijem

Ecclesiastical Province of Split-Makarska

 * Archdiocese of Split-Makarska
 * Diocese of Dubrovnik
 * Diocese of Hvar
 * Diocese of Kotor
 * Diocese of Šibenik

Ecclesiastical Province of Zagreb

 * Archdiocese of Zagreb
 * Eparchy of Križevci
 * Diocese of Varaždin

Ecclesiastical Province of Corfù, Zante e Cefalonia

 * Archdiocese of Corfù, Zante e Cefalonia

Ecclesiastical Province of Naxos, Andros, Tinos e Mykonos

 * Archdiocese of Naxos, Andros, Tinos and Mykonos
 * Diocese of Chios
 * Diocese of Crete
 * Diocese of Santorini
 * Diocese of Syros e Milos

Ecclesiastical Province of Bucharest

 * Archdiocese of Bucharest
 * Diocese of Iaşi
 * Diocese of Oradea Mare
 * Diocese of Satu Mare
 * Diocese of Timişoara

Ecclesiastical Province of Beograd

 * Archdiocese of Beograd
 * Diocese of Subotica
 * Diocese of Zrenjanin

Ecclesiastical Province of Ljubljana

 * Archdiocese of Ljubljana
 * Diocese of Koper
 * Diocese of Novo Mesto

Ecclesiastical Province of Maribor

 * Archdiocese of Maribor
 * Diocese of Celje
 * Diocese of Murska Sobota

Immediately subject to the Holy See

 * Archdiocese of Alba Iulia
 * Archdiocese of Athenai
 * Archdiocese of Bar
 * Diocese of Nicopoli
 * Apostolic Administration of Prizren
 * Archdiocese of Rhodos
 * Diocese of Sofia and Plovdiv
 * Apostolic Vicariate of Thessaloniki
 * Archdiocese of Zadar