Alduin

Alduin or Aldoin may refer to:


 * Alduin or Audoin (died 563/5), king of the Lombards from 546 to 560
 * Alduin I of Angoulême (died 916), Count of Angoulême from 886
 * Alduin II of Angoulême (died 1032), Count of Angoulême; son and successor of William II of Angoulême
 * Aldoin (bishop of Cefalù) (died 1248)
 * Alduin (dragon), the antagonist in The Elder Scrolls V: Skyrim