Æthelfrith (died 616) was King of Bernicia and Deira in northern England.
Æthelfrith or Aethelfrith may also refer to:
- Æthelfrith of Elmham (died 745), Bishop of Elmham
- Æthelfrith of Mercia (fl. 883–915), Ealdorman in Mercia
WikiHQ36 words updated Jun 17, 2026, 1:08 PM
Æthelfrith (died 616) was King of Bernicia and Deira in northern England.
Æthelfrith or Aethelfrith may also refer to: