Æthelmund, an Anglo-Saxon noble, was Ealdorman of Hwicce in the late 8th and early 9th centuries. He was killed in 802 at the Battle of Kempsford by Ealdorman Weohstan and the levies of West Saxon Wiltshire.

Æthelmund's predecessors had been kings, but he was a subject of the King of Mercia.