The following is the List of the Roman Catholic dioceses of Iran.
- Archdiocese of Tehran (Chaldean)
- Eparchy of Ispahan (Armenian)
-
Archdiocese of Urmya (Chaldean)
- Diocese of Salmas (Chaldean)
- Archdiocese of Teheran-Isfahan (Latin)
Immediately Subject to the Patriarch
- Archeparchy of Ahwaz (Chaldean)
The following is the List of the Roman Catholic dioceses of Iran.
- Archdiocese of Tehran (Chaldean)
- Eparchy of Ispahan (Armenian)
-
Archdiocese of Urmya (Chaldean)
- Diocese of Salmas (Chaldean)
- Archdiocese of Teheran-Isfahan (Latin)
Immediately Subject to the Patriarch
- Archeparchy of Ahwaz (Chaldean)