Æthelberht (Old English: Æðelberht; died 797) was an 8th-century Anglo-Saxon bishop. His consecration as Bishop of Whithorn can be placed using the Anglo-Saxon Chronicle on 15 June in either 776 or 777, and took place at York. In 789, 790 or 791 he became Bishop of Hexham; he was succeeded at Whithorn by Beadwulf. He died on 16 October 797. He is known to have corresponded with Alcuin.