Patriarch Gregory or Catholicos Gregory may refer to:
Constantinople
Gregory of Nazianzus, Patriarch in 379–381
Gregory II of Constantinople, Patriarch in 1283–1289
Gregory III of Constantinople, Patriarch in 1443–1450
Gregory IV of Constantinople, Patriarch in 1623
Gregory V of Constantinople, Patriarch in 1797–1798, 1806–1808 and 1818–1821
Gregory VI of Constantinople, Patriarch in 1835–1840
Gregory VII of Constantinople, Patriarch in 1923–1924
Alexandria
Patriarch Gregory of Cappadocia, Patriarch in 339-345
Patriarch Gregory I of Alexandria, Patriarch in 1243–1263
Patriarch Gregory II of Alexandria, Patriarch in 1316–1354
Patriarch Gregory III of Alexandria, Patriarch in 1354–1366
Patriarch Gregory IV of Alexandria, Patriarch in 1398–1412
Patriarch Gregory V of Alexandria, Patriarch in 1484–1486
Bulgaria
Gregory of Bulgaria, Patriarch c. 940 – c. 960
Armenian Apostolic Church
Gregory the Illuminator (c. 257 – c. 331), patron saint and first official head of the Armenian Apostolic Church Grigoris (catholicos), 4th-century catholicos of Caucasian Albania and martyr Gregory II the Martyrophile (1066–1105) Grigor III Pahlavuni (1093–1166), Catholicos Gregory III of Cilicia (1113–1166) (1173–1193) Gregory V of Cilicia (1193–1194) Gregory VI of Cilicia (1194–1203) Gregory VII of Cilicia (1293–1307) (1411–1418) Gregory IX of Cilicia (1439–1446) Gregory X of Armenia (1443–1465) Gregory XI of Armenia (1536–1545) Gregory XII of Armenia (1576–1590)
Armenian Catholic Patriarchs of Cilicia
(1788–1812) (1815–1841) (1844–1866) Gregorio Pietro XV Agagianian (1895-1971), Armenian Catholic Patriarch of Cilicia in 1937-1962 Gregory Peter XX Ghabroyan (1934–2021), Armenian Catholic Patriarch of Cilicia since 2015
See also
Gregory IV of Athens, Metropolitan of Athens in 1827–1828
Pope Gregory (disambiguation) Saint Gregory (disambiguation) Gregory (disambiguation) Gregory (given name)