Ian Ritchie (born 24 June 1947 in Sussex) is a British architect, artist and author, who founded Ian Ritchie Architects in 1981.
His projects include the RIBA Award-winning Susie Sainsbury Theatre and Angela Burgess Recital Hall for the Royal Academy of Music, Sainsbury Wellcome Centre for Neural Circuits and Behaviour, University College London and the American Institute of Architects Award-winning Royal Shakespeare Company Courtyard Theatre.
Ritchie was the first foreign architect to receive the French Academie d’Architecture Grand Silver Medal for Innovation.