Hildebert is a masculine given name of Germanic origin. It may refer to:
Hildebert (bishop of Cambrai) (r. 712–715)
Hildebert, Count of Ivois (fl. 882)
Hildebert (archbishop of Mainz) (died 937)
Hildebert (abbot of Saint-Ouen) (died 1006)
Hildebert I of Mont-Saint-Michel, abbot (r. 1009–1017)
Hildebert II of Mont-Saint-Michel, abbot (r. 1017–1023)
Hildebert of Lavardin (died 1133), bishop of Le Mans, archbishop of Tours and theologian
Hildebert and Everwin (12th century), Moravian artists