William

See William (name) for information about the name.

Royalty

• King William I of Bimbia, king of the Isubu
• King William II of Bimbia, son of above
• King William I of England (William the Conqueror, William the Bastard)
• King William II of England
• King William III of England (Prince William III of Orange, King William II of Scotland, William of Orange)
• William of Gellone, Count of Toulouse, canonized a Saint
• Emperor William I of Germany
• Emperor William II of Germany
• William I, Count of Holland (see also William of Holland)
• William II, Count of Holland, King of Germany
• William III, Count of Holland
• William IV, Count of Holland
• William V, Count of Holland
• William VI, Count of Holland
• William IV The Rich, Duke of Jülich and Cleves
• King William I of the Netherlands
• King William II of the Netherlands
• King William III of the Netherlands
• William IV, Grand Duke of Luxembourg
• Prince William I of Orange (William the Silent)
• Prince William II of Orange
• Prince William III of Orange (King William III of England and Scotland)
• Prince William IV of Orange
• Prince William V of Orange
• William, Count of Poitiers
• King William I of Scotland (William the Lion)
• King William II of Scotland (King William III of England)
• King William I of Sicily
• King William II of Sicily
• King William III of Sicily
• King William IV of the United Kingdom
• Prince William II Villehardouin
• Prince William of Wales
• William of Wied, King of Albania

Philosophers, theologians, and ecclesiastics

• William of Auxerre (d. 1231), theologian
• William of Champeaux (1070-1121), theologian
• William de Corbeil, English bishop
• William of Conches (1080-1154), philosopher
• William, bishop of Zaragoza (Spain) in 1137
• William of Mainz, German bishop
• William of Malmesbury, English historian
• William of Moerbeke (1215-1286)
• William of Norwich (1132-1144), saint and supposed martyr
• William of Ockham, English friar, philosopher and originator of Occam's Razor
• William of Sodor and Man, 11th Bishop of Sodor and Man
• William of Poitiers
• William of St. Carilef, English bishop
• William of St. Thierry (1085-1148), theologian
• William of Tyre, Bishop in the Holy Land
• William Waynflete (1395-1486), bishop
• William of Wykeham, English bishop
• Saint William of York, English bishop

Writers

• William of Ramsey, hagiographer from Crowland Abbey
• William Shakespeare, English playwright
• William the Clerk (of Normandy), Thirteenth century French poet
• William S. Burroughs American novelist.

Others

• William Henry (disambiguation)
• William P an anarchist revolutionary in the UK, also called Drezta.
• Just William, lead character in the eponymous series of books by Richmal Crompton
• will.i.am (William James Adams Jr., born 1975), member of the Black Eyed Peas
• William, It Was Really Nothing, a song by the English rock band, The Smiths