Hakob Zavriev (Armenian: Հակոբ Զավրիև), also known as Yakov Zavriev, was an Armenian politician. Zavriev was a graduate of the St. Petersburg Army Medical Academy. He later joined the Armenian Revolutionary Federation. The viceroy of the Caucasus consulted him over the formation of the Armenian volunteer units in 1914. He was an Armenian Revolutionary Federation representative in the Constituent Assembly formed by Armenian Congress of Eastern Armenians in November 1917. The Constituent Assembly prepared the organization and set the conditions of declaration of the First Republic of Armenia. Zavriev later was the representative of the First Republic in Moscow.