John Quinlan Terry CBE (born 24 July 1937 in Hampstead, London, England) is a British architect. He was educated at Bryanston School and the Architectural Association. He was a pupil of architect Raymond Erith, with whom he formed the partnership Erith & Terry.
Terry is a well-known representative of New Classical architecture and the favourite architect of HRH the Prince of Wales. He worked with his son Francis Terry until 2016 when the latter left to form his own practice.