William of the United Kingdom

William of the United Kingdom most commonly refers to:

• William IV (1765–1837; )
• William, Prince of Wales (born 1982), heir apparent to Charles III

William of the United Kingdom or William of Great Britain may also refer to:

• Prince William, Duke of Cumberland (1721–1765), third and youngest son of George II
• Prince William Henry, Duke of Gloucester and Edinburgh (1743–1805), grandson of George II and brother of George III
• Prince William Frederick, Duke of Gloucester and Edinburgh (1776–1834), son-in-law of George III
• Prince William of Gloucester (1941–1972), grandson of George V

See also

• , lists princes outside of British Isles named William
• Princess William (disambiguation), lists spouses of British princes named William
• William and Catherine (disambiguation)
• William of England (disambiguation), lists kings named William in one predecessor state of Great Britain
• William the Lion ( – 1214; ), also known as William I, King of Scots (another predecessor state of Great Britain)