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:
“When the Prince of Wales [later King George IV] and the Duke of York went to visit their brother Prince William [later William IV] at Plymouth, and all three being very loose in their manners, and coarse in their language, Prince William said to his ship’s crew, “now I hope you see that I am not the greatest blackguard of my family.””
—Horace Walpole (1717–1797)