Sir Oswald Bernard Miller (25 March 1904 – 23 February 2003) was a British businessman, who was chairman of the John Lewis Partnership from 1955 to 1972.
Miller was educated at Sloane School and Jesus College, Oxford, obtaining his BA degree in 1927.
He obtained a First in History and won the Stanhope Prize for his essay, later published as a biography, on Robert Harley, Earl of Oxford.
He joined the John Lewis Partnership in 1927, and was appointed a director in 1935.
He was also associated with Southampton University, as Treasurer (1974 to 1982), Chairman of the Council (1982 to 1987) and Pro-Chancellor (1983 to 1990).