Sir Hugh Maxwell Casson CH KCVO PRA RDI (23 May 1910 – 15 August 1999) was a British architect. He was also active as an interior designer, as an artist, and as a writer and broadcaster on twentieth-century design. He was the director of architecture for the Festival of Britain on the South Bank in 1951. From 1976 to 1984, he was president of the Royal Academy.