William of Poitiers (disambiguation)

William of Poitiers (1020–1090) was a Norman priest and chronicler, chaplain to William the Conqueror.

William of Poitiers may also refer to:


 * William I (915–963), called Towhead, count from 935
 * William II (937–994), called Fierebras, count from 963 to 990
 * William III (969–1030), called the Great, count from 990
 * William IV (1004–1038), called the Fat, count from 1034
 * William V (1023–1058), called the Eagle, count from 1039
 * William VI (1025–1086), count from 1058
 * William VII (1071–1126), called the Troubadour, count from 1086
 * William VIII (1099–1137), called the Saint, count from 1126
 * William IX (1153–1156), count at his death
 * William X (1136–1164)