William II may refer to:

  • William II, Duke of Aquitaine (died 926)
  • William II, Marquess of Montferrat (died )
  • William II Sánchez of Gascony (died )
  • William II, Count of Provence (–1019)
  • William II, Count of Besalú (died 1066)
  • William II of Normandy (–1087), William I of England
  • William II of England (–1100), commonly referred to as William Rufus
  • William II, Count of Burgundy (1061–1125)
  • William II Jordan (died 1109), Count of Berga, Count of Cerdanya and Regent of Tripoli
  • William II, Duke of Apulia (1095–1127), Duke of Apulia and Calabria
  • William de Warenne, 2nd Earl of Surrey (died 1138)
  • William II, Count of Nevers (1098–1147)
  • William II of Bures (died 1158), Crusader lord of the Kingdom of Jerusalem, Prince of Galilee
  • William II of Sicily (1155–1189)
  • William II, Lord of Béthune (died 1214), nicknamed William the Red
  • William II, Count of Perche (died 1226), Bishop of Châlons
  • William II of Dampierre (1196–1231)
  • William II Longespee (–1250)
  • William II of Holland (–1256), Count of Holland and Zeeland
  • William de Wickwane (died 1285), Archbishop of York (1279–1285)
  • William II, Lord of Egmond (died 1304)
  • William II de Soules (died ), Lord of Liddesdale and Butler of Scotland
  • William II, Earl of Ross ()
  • William II, Duke of Brunswick-Lüneburg (1300s–1369)
  • William II, Count of Hainaut (1307–1345), Count of Holland and Count of Zeeland
  • William II, Duke of Athens (1312–1338)
  • William II, Duke of Jülich (1327–1393)
  • William II, Marquis of Namur (1355–1418)
  • William II, Margrave of Meissen (1371–1425)
  • William II, Duke of Bavaria ()
  • William II d'Estouteville (1412–1483), French bishop and cardinal
  • William II, Princely count of Henneberg-Schleusingen (1415–1444)
  • William II, Duke of Brunswick-Calenberg-Göttingen or William the Younger (1425–1503), Duke of Brunswick-Lüneburg
  • William II, Landgrave of Hesse (1469–1509)
  • William II de La Marck (1542–1578), Dutch Lord of Lumey and admiral of the Watergeuzen
  • William II, Prince of Orange (1626–1650), stadtholder of the United Provinces of the Netherlands
  • William II of Scotland (1650–1702), William III of England
  • William II, Prince of Nassau-Dillenburg (1670–1724)
  • William II, Landgrave of Hesse-Wanfried-Rheinfels (1671–1731)
  • William II, Elector of Hesse (1777–1847)
  • William II of the Netherlands (1792–1849), Grand Duke of Luxembourg and Duke of Limburg
  • William II of Bimbia (died 1882), known as Young King William
  • William II of Württemberg (1848–1921)
  • William II, German Emperor (1859–1941)

See also

  • King William (disambiguation)
  • Prince William (disambiguation)
  • List of people with given name William#Royalty and nobility
  • Wilhelm II (disambiguation), lists people named with the German equivalent of William II
  • Willem II (disambiguation), lists people named with the Dutch equivalent of William II

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