Henry I

Henry I may refer to:

• Henri I de Montmorency (1534–1614)
• Henri I de Savoie, Duc de Nemours (1572–1632)
• Henrique I of Kongo (died 1568)

• Henry I of Austria, Margrave of Austria (died 1018)
• Henry I of Castile (1204–1217)
• Henry I of Champagne, Count of Champagne (1127-1181)
• Henry I of Constantinople or Henry of Flanders (1174–1216)
• Henry I of Cyprus (1217–1253)
• Henry I of England (1068–1135)
• Henry I of France (1008–1060)
• Henry I of Haiti or Henri Christophe (1767–1820)
• Henry I of Hesse, Landgrave of Hesse (1244–1308)
• Henry I of Jawor (1292/96 – by 1346)
• Henry I of Jerusalem or Henry II of Champagne (1166–1197)
• Henry I of Navarre (c. 1244–1274)
• Henry I of Portugal (1512–1580)
• Henry I of Ziębice (c.  1350 – aft. 8 August 1366)

• Henry I the Bearded, Duke of Poland (1163–1238)
• Henry I the Fowler, King of Germany (876–936)

• Henry I, Duke of Bavaria (c. 920–955)
• Henry I, Duke of Brabant (c. 1165–1235)
• Henry I, Duke of Guise (1550–1588)
• Henry I, Duke of Lorraine (1563–1624)
• Henry I, Duke of Münsterberg-Oels (1448–1498)

• Henry I, Prince of Condé (1552–1588)
• Henry I, Prince of Mecklenburg-Güstrow (c. 1245–1291)

• Henry I, Margrave of the Saxon Ostmark (1070–1103)