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.

The Vice-Chamberlain of the Household is a member of the Royal Household of the Sovereign of the United Kingdom. The officeholder is usually a senior government whip in the British House of Commons ranking third or fourth after the Chief Whip and the Deputy Chief Whip. The Vice-Chamberlain is the Deputy to the Lord Chamberlain of the Household and, like the Lord Chamberlain, carries a white staff of office when on duty on state occasions.