Gregory III may refer to:
- Pope Gregory III, in office 731-741
- Gregory III, Count of Tusculum, r. 1058-1108
- Grigor III Pahlavuni, Armenian Catholicos of Cilicia in 1113–1166
- Gregory III Šubić of Bribir, died in 1342 or 1356, Croatian noble
- Patriarch Gregory III of Alexandria, Greek Orthodox patriarch, in office 1354-1366
- Patriarch Gregory III of Constantinople, in office 1443-1450
- Gregory III Laham, Patriarch of the Melkite Greek Catholic Church from 2000
Famous quotes containing the words gregory and/or iii:
“Civil Rights: What black folks are given in the U.S. on the installment plan, as in civil-rights bills. Not to be confused with human rights, which are the dignity, stature, humanity, respect, and freedom belonging to all people by right of their birth.”
—Dick Gregory (b. 1932)
“The army is the true nobility of our country.”
—Napoleon Bonaparte III (1808–1873)