Sir Andrew George Derbyshire FRIBA (7 October 1923 – 3 March 2016) was a British architect. He was a senior partner, later Chairman, and following retirement, President, of the architectural practice Robert Matthew Johnson-Marshall (RMJM) and Partners, under the original named-partner architects. He was knighted in 1986. Derbyshire had taken degrees at Queens' College, University of Cambridge, and at the Architectural Association, London, before realising, as principal architect with RMJM, the master-planning and designing of the University of York campus in Heslington (from 1962), said to be his chef d'oeuvre.