Hugh of Ostia explained

Hugh or Hugo of Ostia (it|Ugo d'Ostia|link=no) may refer to:

• Hugh of Ostia (died 1158), cardinal-bishop of Ostia from 1150
• Pope Gregory IX, born Ugolino, cardinal-bishop of Ostia in 1206–1227
• Hugh of Saint-Cher, cardinal-bishop of Ostia in 1261–1262
• Hugh Aycelin, cardinal-bishop of Ostia in 1294–1297