Jurisdiction | Cathedral | Type |
| Ahvaz (Chaldean Rite) | Ahvaz, Iran |  Cathedral |
| Ispahan (Armenian Rite) | Surp Grigor Lusavorich Cathedral Tehran, Iran | Cathedral |
| Salmas (Chaldean Rite) | Salmas, Iran | Cathedral |
| Tehran (Chaldean Rite) | Tehran, Iran | Cathedral |
| Tehran–Isfahan | Tehran, Iran |  Cathedral |
| Urmyā (Chaldean Rite) | Cathedral of St. Mary the Mother of God Urmia, Iran | Cathedral |
