Gregory has been the name of sixteen popes of the Catholic Church and two antipopes:

• Pope Gregory I ("the Great"; saint; 590–604), after whom the Gregorian chant is named
• Pope Gregory II (saint; 715–731)
• Pope Gregory III (saint; 731–741)
• Pope Gregory IV (827–844)
• Pope Gregory V (996–999)
  • Antipope Gregory VI (1012)
• Pope Gregory VI (1045–1046)
• Pope Gregory VII (saint; 1073–1085), after whom the Gregorian Reform is named
  • Antipope Gregory VIII (1118–1121)
• Pope Gregory VIII (1187)
• Pope Gregory IX (1227–1241)
• Pope Gregory X (blessed; 1271–1276)
• Pope Gregory XI (1370–1378)
• Pope Gregory XII (1406–1415)
• Pope Gregory XIII (1572–1585), after whom the Gregorian calendar is named
• Pope Gregory XIV (1590–1591)
• Pope Gregory XV (1621–1623)
• Pope Gregory XVI (1831–1846)

• Clemente Domínguez y Gómez (1946–2005), Antipope Gregory XVII of the Palmarian Catholic Church
• Ginés Jesús Hernández (born 1959), former Antipope Gregory XVIII of the Palmarian Catholic Church
• Greg Pope (born 1960), British Labour Party politician
• Gregory (disambiguation)
• Saint Gregory (disambiguation)
• Gregorian (disambiguation)

This disambiguation page lists articles associated with the title Pope Gregory.
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