Henry II may refer to:

• Saint Henry II, Holy Roman Emperor (972–1024), crowned King of Germany in 1002, of Italy in 1004 and Emperor in 1014
• Henry II of England (1133–89), reigned from 1154
• Henry II of Jerusalem and Cyprus (1271–1324), reigned from 1285; king of Jerusalem in name only from 1291
• Henry II of Castile (1334–79), reigned 1366–67 and from 1369
• Henry VI of England (1421–71), reigned 1422–1461 and from 1470 as a King of England, and reigned from 1422 to 1453 as Henry II, king of France
• Henry II of Navarre (1503–55), reigned from 1518
• Henry II of France (1519–59), reigned from 1547
• Henry II of Sicily (also known as Henry II, Duke of Swabia and Henry (VII) of Germany), king of Germany (Rex romanorum) and of Sicily (1211–42)

• Henry II, Duke of Bavaria (951–995)
• Henry II, Count of Louvain (d. 1071)
• Henry II, Duke of Carinthia (1090–1122)
• Henry II, Margrave of Meissen (1103–1123)
• Henry II, Duke of Saxony, better known as Henry X, Duke of Bavaria (1108–1139)
• Henry II, Duke of Austria (1107–77)
• Henry II, Count of Champagne (1166–97)
• Henry II the Pious, Piast Duke of Silesia-Wrocław, Kraków and Southern Greater Poland (ca. 1196–9 April 1241)
• Henry II, Count of Sayn (1202–46)
• Henry II, Duke of Brabant (1207–48)
• Henry II, Count of Nassau (d. 1251)
• Henry II, Prince of Anhalt-Aschersleben (d. 1266)
• Henry II of Mecklenburg (1266–1329)
• Henry II, Duke of Świdnica (1316–45)
• Henry II, Duke of Brunswick-Lüneburg (d. after 1351)
• Henry II, Landgrave of Hesse (d. 1376)
• Henry II, Duke of Münsterberg (c. 1396–1420)
• Henry II, Duke of Münsterberg-Oels (1507–1548)
• Henry II, Duke of Lorraine (1563–1624)
• Henry II, Count of Reuss-Gera (1572–1635)
• Henri II de Montmorency (1595–1632)
• Henry II de Bourbon, prince de Condé (1588–1646)
• Henry II, Duke of Guise (1614–1664)
• Jacques-Victor Henry, Prince Royal of Haiti, pretender to the throne of Haiti as Henry II (1820)