William II

• William II, Duke of Aquitaine
• William II, Marquess of Montferrat
• William II Sánchez of Gascony
• William II, Count of Provence
• William II, Count of Besalú
• William II of Normandy, William I of England
• William II of England, commonly referred to as William Rufus
• William II, Count of Burgundy
• William II Jordan, Count of Berga, Count of Cerdanya and Regent of Tripoli
• William II, Duke of Apulia, Duke of Apulia and Calabria
• William de Warenne, 2nd Earl of Surrey
• William II, Count of Nevers
• William II of Bures, Crusader lord of the Kingdom of Jerusalem, Prince of Galilee
• William II of Sicily
• William II, Lord of Béthune, nicknamed William the Red
• William II, Count of Perche, Bishop of Châlons
• William II of Dampierre
• William II Longespee
• William II of Holland, Count of Holland and Zeeland
• William de Wickwane, Archbishop of York
• William II, Lord of Egmond
• William II de Soules, Lord of Liddesdale and Butler of Scotland
• William II, Earl of Ross
• William II, Duke of Brunswick-Lüneburg
• William II, Count of Hainaut, Count of Holland and Count of Zeeland
• William II, Duke of Athens
• William II, Duke of Jülich
• William II, Marquis of Namur
• William II, Margrave of Meissen
• William II, Duke of Bavaria
• William II d'Estouteville, French bishop and cardinal
• William II, Princely count of Henneberg-Schleusingen
• William II, Duke of Brunswick-Calenberg-Göttingen or William the Younger, Duke of Brunswick-Lüneburg
• William II, Landgrave of Hesse
• William II de La Marck, Dutch Lord of Lumey and admiral of the Watergeuzen
• William II, Prince of Orange, stadtholder of the United Provinces of the Netherlands
• William II of Scotland, William III of England
• William II, Prince of Nassau-Dillenburg
• William II, Landgrave of Hesse-Wanfried-Rheinfels
• William II, Elector of Hesse
• William II of the Netherlands, Grand Duke of Luxembourg and Duke of Limburg
• William II of Bimbia, known as Young King William
• William II of Württemberg
• William II, German Emperor