George Hamilton Chichester, 3rd Marquess of Donegall, styled Viscount Chichester until 1799 and Earl of Belfast between 1799 and 1844, was an Anglo-Irish landowner, courtier and politician. He served as Vice-Chamberlain of the Household from 1830 to 1834, as well as from 1838 to 1841, and as Captain of the Yeomen of the Guard between 1848 and 1852. Ennobled in his own right in 1841, he was also Lord Lieutenant of Antrim from 1841 to 1883 and was made a Knight of St Patrick in 1857.
- Occupation
- politician
- Position held
- Member of the Privy Council of the United Kingdom, member of the 13th Parliament of the United Kingdom, member of the 12th Parliament of the United Kingdom, member of the 11th Parliament of the United Kingdom