King William may refer to:
- William I of Bimbia
- William II of Bimbia, popularly known as Young King William
- William I of England
- William II of England
- King William III of England and Ireland, and William II of Scotland
- William IV of the United Kingdom
- King William County, Virginia
- William I, German Emperor
- William II, German Emperor
- William I of Scotland
- William I of Sicily
- William II of Sicily
- William III of Sicily
- William I of the Netherlands
- William II of the Netherlands
- William III of the Netherlands
Famous quotes containing the word king:
“Thou hast brought him a pardon from good King John.””
—Unknown. King John and the Abbot of Canterbury (l. 108)