James Chichester, Earl of Belfast

James Arthur Chichester, Earl of Belfast (born 19 November 1990), is the eldest son of The 8th Marquess of Donegall. The heir apparent to the Marquessate of Donegall and its subsidiary titles, he was styled Viscount Chichester as a courtesy title between 1990 and 2007, when his father succeeded his grandfather and he took over the style of Earl of Belfast.

Lord Belfast was educated at Belhaven Hill School, Harrow School, and Trinity College, Dublin. He currently works as a trainee chartered accountant with international professional services firm Mazars in Dublin. He is married to Oilbhe Cahill-Reid (born 1990), who is styled Countess of Belfast.