Patriarch Nicholas may refer to:
Nicholas I of Constantinople, Ecumenical Patriarch in 901–907 and 912–925 Nicholas II of Constantinople, Ecumenical Patriarch in 984–996 Nicholas III of Constantinople, Ecumenical Patriarch in 1084–1111 Nicholas IV of Constantinople, Ecumenical Patriarch in 1147–1151 Patriarch Nicholas I of Alexandria, Greek Patriarch of Alexandria in 1210–1243 Patriarch Nicholas II of Alexandria, Greek Patriarch of Alexandria in 1263–1276 Patriarch Nicholas III of Alexandria, Greek Patriarch of Alexandria in 1389–1398 Patriarch Nicholas IV of Alexandria, Greek Patriarch of Alexandria in 1412–1417 Nicholas I Zaya, patriarch of the Chaldean Catholic Church in 1839–1847 Nicholas (Ziorov), primate of the Orthodox Church in America 1891–1898 Patriarch Nicholas V of Alexandria, Greek Patriarch of Alexandria in 1936–1939 Patriarch Nicholas VI of Alexandria, Greek Orthodox Patriarch of Alexandria in 1968–1986