Daniel I of Armenia (Armenian: Դանիել Ա ) was a Syrian who became Catholicos in Armenia's Holy Apostolic Church after the reign of four hereditary Parthian catholicoi (St. Gregory I the Enlightener, his son St. Aristaces I, St. Vrtanes I and St. Husik I. He ruled symbolically less than one year in 347 AD and was succeedd by Pharen I of Armenia of the Ashishatts Dynasty.