Douglas William Scott (1913-1990) was a British industrial designer, best known for his design work on the London Transport Routemaster RM21 bus (1953) and the AGA cooker (1938). The son of an electrician, Scott trained as a silversmith and jeweller at London’s Central School of Art and Design in the late 1920s and worked at industrial design consultancy Raymond Loewy under Carl Otto between 1936 and 1939.

After World War II he established his own design studio and in 1946 he founded the Central School’s industrial design course. In 1960, Scott established Allied Industrial Designers with James Pilditch, and worked with the consultancy until 1964. He became the first consultant to be hired by the GPO (General Post Office) and the Elilav Washbowl designed for Ideal (1963) and made from glazed vitreous china is part of the the Museum of Modern Art's collection in New York. He won three Design Council awards and became a Royal Designer for Industry in 1974.

His collaboration with Associated Automation on the 'pay-on-answer' coin-operated phone won a Design Centre Award in 1963. Established in 1921 in Willesden, London, Associated Automation were manufacturers of telephone coin collecting machines, postage stamp machines and platform ticket issuing machines for British Railways.