George IV (1762–1830) was King of the United Kingdom of Great Britain and Ireland and of Hanover from 1820 to 1830.

George IV or 4 may refer to:

• George IV of Georgia (1192–1223)
• George IV of Guria (died 1726)
• Jorge IV, Archbishop of Braga, see Roman Catholic Archdiocese of Braga
• Georg IV, Abbot of Kaisheim, see Kaisheim Abbey

• George IV, Brixton, a former public house on Brixton Hill in south London
• GEORGE 4, version of GEORGE computer operating system
• George IV Bridge, Edinburgh, Scotland, UK; an elevated street
• George IV State Diadem, part of the British Crown Jewels

• George VI (disambiguation) or George 6
• King George (disambiguation)

This disambiguation page lists articles associated with the title George IV.
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