St Vrtanes (Armenian: Սբ. Վրթանես Ա. Պարթև ) was Armenian Catholicos in Armenia's Holy Apostolic Church immediately after St. Gregory I the Enlightener and his son St. Aristaces I as third in line in the-then hereditary Parthian line of catholicoi. He reigned from 333 to 341 AD.
| Preceded by St. Aristaces I |
Catholicoi of the Holy See of St. Echmiadzin and All Armenians 333–341 |
Succeeded by St. Husik I |