Among the men who have borne the title of Count of Poitiers (or Poitou, in what is now France but in the Middle Ages became part of the Aquitaine) are:

• Guerin (or Warin[us]) (638-677)
• Renaud (795-843)
• Bernard I (815-844)
• Ranulph I (835-875)
• Ranulph II (855-890)
• Gauzbert (857-892)
• Robert I (866-923)
• Ebalus (or Ebles Manzer) (901-935)(illegitimate son of Ranulf II of Poitiers)
• William III of Aquitaine (935-963) aka: William I of Poitou (son of Ebalus of Aquitaine)
• William IV of Aquitaine (963-995) aka: William II of Poitou (son of William III of Aquitaine)
• William V of Aquitaine (969-1030) aka: William III of Poitou (son of William IV of Aquitaine)
• William VI of Aquitaine (1030-1038) aka: William IV of Poitou (1st son of William V of Aquitaine)
• Otto of Aquitaine (1038-1039) aka: Eudes (2nd son of William V of Aquitaine)
• William VII of Aquitaine (1039-1058) aka: William V of Poitou (3rd son of William V of Aquitaine)
• William VIII of Aquitaine (1058-1086) aka: William VI of Poitou (4th son of William V of Aquitaine)
• William IX of Aquitaine (1071-1126) aka: William VII of Poitou (son of William VIII of Aquitaine)
• William X of Aquitaine (1099-1137) aka: William VIII of Poitou (son of William IX of Aquitaine)
• Raymond, Prince of Antioch (1112-1149)
• Louis VII of France (1120-1180)
• Henry II of England (1133-1189)
• William Plantagenet (1153-1156) son of Henry II of England
• Alphonse Capet (1220-1271) son of Louis VIII of France
• Philip V of France (1293-1322)
• John, Duke of Berry (1340-1416) son of John II of France
• Charles VII of France (1403-1461)
• Charles Louis Edmond (b. 1929)
• Craig Stuart I-Douglas Hamilton(b.1963)