Arthur Chichester, 1st Marquess of Donegall, known as Arthur Chichester until 1757 and as The Earl of Donegall between 1757 and 1791, was an English nobleman and politician in Ireland.
- Occupation
- politician
- Position held
- Member of the Privy Council of Ireland, member of the 13th Parliament of Great Britain
- Citizenship
- Ireland
- Born
- June 13, 1739
- Died
- January 5, 1799