Patriarch Gregory of Constantinople may refer to:

• Gregory I of Constantinople, Patriarch in 379–381
• Gregory II of Constantinople, Ecumenical Patriarch of Constantinople in 1283–1289
• Gregory III of Constantinople, Ecumenical Patriarch of Constantinople in 1443–1450
• Gregory IV of Constantinople, Ecumenical Patriarch of Constantinople in 1623
• Gregory V of Constantinople, Ecumenical Patriarch of Constantinople in 1797–1798, 1806–1808 and 1818–1821
• Gregory VI of Constantinople, Ecumenical Patriarch of Constantinople in 1835–1840
• Gregory VII of Constantinople, Ecumenical Patriarch of Constantinople in 1923–1924

This disambiguation page lists articles associated with the title Patriarch Gregory of Constantinople.
If an internal link led you here, you may wish to change the link to point directly to the intended article.