Eardwulf or Eardulf is an Anglo-Saxon male name. Notable people with the name include:
Eardwulf of Northumbria, (floruit late 8th/early 9th century), ruler of NorthumbriaEardwulf of Kent (floruit middle 8th century), ruler of KentEardwulf, Bishop of Dunwich (floruit middle 8th century), Bishop of DunwichEardwulf of Rochester (floruit middle 8th century), Bishop of RochesterEardwulf of Lindisfarne (floruit late 9th century), Bishop of Lindisfarne