William IV
Wilhelm IV. Is the name of the following people:
- William IV (United Kingdom) , King (1830–1837)
- Wilhelm IV. (Prussia) , King (1840–1858), see Friedrich Wilhelm IV.
- William IV (Luxembourg) , Grand Duke (1905–1912)
- Wilhelm IV (Aquitaine) , Duke (963–995)
- Wilhelm IV (Bavaria) , Duke (1508–1550)
- Wilhelm IV. (Weimar) , 1046–1062 Margrave of Meissen
- William IV (Montferrat) , Margrave (-1101)
- Wilhelm IV (Hessen-Kassel) , Landgrave (1567–1592)
- William IV (Orange) , Prince (1711–1751)
- William IV (Auvergne) , Count (989-1016)
- William IV (Provence) , Count (1018-1019 / 30)
- William IV (Toulouse) , Count (~ 1061– ~ 1093)
- William IV (Burgundy) , Count (1148–1156)
- Wilhelm IV (Forcalquier) , Count (1149–1209)
- Wilhelm IV. (Jülich) , Count (1219–1278)
- William IV (Holland) , Count (1337-1345)
- Wilhelm IV. Von Eberstein , Count (1497–1562)
- Wilhelm IV von dem Bergh (1537–1586), Imperial Count von dem Bergh and governor of Gelderland and Zutphen
