Macarius I may refer to:
Macarius I of Antioch, patriarch from 656 to 681 Pope Macarius I of Alexandria, ruled in 932–952 Makarije Sokolović, Serbian Patriarch from 1557 to 1571 Makarios I of Cyprus, Archbishop of Cyprus from 1854 until 1865 Macarius Bulgakov, Metropolitan of Moscow and Kolomna in 1879–1882