Sir David Arnold Stuart Plastow, (9 May 1932 – 5 June 2019) was a British businessman who was chairman of the UK's Medical Research Council 1990–1998.He became an automobile executive who filled a series of high level appointments in the UK.
Between 1958 and 1980 he worked for Rolls-Royce Motors (including its predecessor and successor companies).
He was Chairman of the company between 1972 and 1980.
He subsequently developed a variety of industry directorships and other appointments.