William of Blois or William de Blois may refer to:
- William, Count of Blois (c.772–834), count of Blois from 830 to 34
- William, Count of Sully (c.1085–c.1150), count of Blois from 1102 to 1107, brother of King Stephen of England
- William I, Count of Boulogne (c.1137–1159), count of Boulogne from 1153 to 1159, son of King Stephen of England
- William of Blois (poet) (fl.1167), abbot of Maniaci, sometimes confused with the bishop of Lincoln
- William de Blois (bishop of Lincoln), in office from 1203 to 1206, probably related to the bishop of Worcester
- William de Blois (bishop of Worcester), in office from 1218 to 1236, probably related to the bishop of Lincoln
Topics referred to by the same termThis disambiguation page lists articles about people with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: