St. Husik (Armenian: Սբ. Հուսիկ Ա. Պարթև ) was Armenian Catholicos in Armenia's Holy Apostolic Church and fourth in line of then hereditary line of Parthian catholicoi, immediately after St. Gregory I the Enlightener, his son St. Aristaces I and St. Vrtanes I. He reigned from 341 to 347 AD.