Æthelwulf (disambiguation)

Æthelwulf (died 858) was King of Wessex from 839 until his death.

Æthelwulf may also refer to:
 * Æthelwulf, or Adulf (died c. 680), Anglo-Saxon cleric and saint
 * Æthelwulf of Elmham (died after 781), Anglo-Saxon Bishop of Elmham
 * Æthelwulf of Selsey (died c. 824), Anglo-Saxon Bishop of Selsey
 * Æthelwulf of Berkshire (died 871), Saxon ealdorman who won the Battle of Reading
 * Æthelwulf, or Athulf (died after 1013), Anglo-Saxon Bishop of Hereford
 * Æthelwulf (poet), Anglo-Saxon poet, author of De abbatibus