Hilduin (or Hildwin, Hilduinus, etc.) may refer to:
- (died 847)
- (died 849)
- Hilduin of Saint-Denis (died 855/9), abbot, archchaplain and bishop
- (died 860), abbot
- Hilduin of Saint-Germain-des-Prés (fl. 854âÂÂ867), abbot, archchaplain and bishop
- (died 870)
- (died 877), abbot
- (died 936), also bishop of Liège and Verona
- Hilduin I, Count of Montdidier (died before 956)
- Hilduin II, Count of Arcis-sur-Aube (died after 993)
- Hilduin (bishop of Limoges) ()
- Hilduin III, Count of Montdidier (died after 1032)
- (died 1055), lord of Nully
- Hilduin IV, Count of Montdidier (died 1063)
- (died 1203), bishop of Langres
See also