Vasak I Mamikonian (died ) was an Armenian military officer from the Mamikonian family, who occupied the hereditary office of sparapet (generalissimo) of the Kingdom of Armenia under the Arsacid king Arshak II (reigned c. 350–367/8).
Vasak I Mamikonian (died ) was an Armenian military officer from the Mamikonian family, who held the hereditary position of sparapet (generalissimo) of the Kingdom of Armenia under the Arsacid king Arshak II (reigned c. 350–367/8).