William III.
William III. is the name of the following people:
- William III. (Sicily) , king (1194)
- William III. (Orange) , King (1689–1702)
- William III. (Netherlands) , King of the Netherlands and Grand Duke of Luxembourg (1849–1890)
- William III. (Bavaria) , Duke (1397–1435)
- William III. (Saxony) , the brave , Duke of Saxony (1445–1482)
- William III. (Hessen) , the younger , Landgrave (1483–1500)
- William III. (Montferrat) , Margrave (991-1017)
- William III. (Provence) , Margrave (1014-1037)
- William III. (Aquitaine) , Count of Poitiers (935–963)
- William III. (Weimar) ( Wilhelmi Thuringorum pretor ; 1003-1039), Count
- William III. (Toulouse) , count (1037)
- William III. (Ponthieu) , Count (1111–1172)
- William III. (Burgundy) , the child , count (1125–1127)
- William III. (Jülich) , Count (1207–1219)
- William III. (Holland) , the good , Count (1304–1337)
- William III. (Henneberg-Schleusingen) , Count (1444–1480)
- William III. von Enckenvoirt , Bishop of Utrecht (1529–1534)