Sir Ronald McMillan Bell QC (14 April 1914 – 27 February 1982) was a barrister and Conservative Member of Parliament in the United Kingdom, representing South Buckinghamshire from 1950 to 1974 and Beaconsfield from 1974 to 1982. He also briefly represented the Newport constituency from a by-election in May 1945 until the general election two months later. He was appointed a Queen's Counsel in 1966 and was knighted in 1980.