Edward Chichester, 4th Marquess of Donegall

Edward Chichester, 4th Marquess of Donegall (11 June 1799 – 20 January 1889) was an Irish peer. He was born in Great Cumberland Place, London, and was educated at Eton and Trinity College Dublin, graduating BA in 1822. He served as Church of Ireland Dean of Raphoe from 1831 to 1871, and succeeded his elder brother as fourth Marquess of Donegall at the age of 84. He died six years later in St Leonards-on-Sea, Sussex, and was buried in Kensal Green Cemetery, London.

He was married to Amelia Spread Deane O'Grady, daughter of Henry Deane Grady.