Walter of Douai (born c.1046 died: c.1107) was a
Norman knight, probably at the
Battle of Hastings, and a major landowner in
South West England after the
Norman Conquest, being
feudal baron of Bampton in Devon and of
Castle Cary in Somerset. He is given various names and titles in different sources including: Walter (or Walschin or Walscin) de Douai. Douai is sometimes written as Dowai. He has also been called Gautier de Douai and later Walter the Fleming.