Ronald Edward George Davies (3 July 1921 – 30 July 2011) was an English specialist in airline and air transport history, and commercial aviation economic research.
Educated at Shaftesbury Grammar School, he started work in London in 1938, and was in the British Army as a territorial volunteer from 1939 to 1946. He spent a year in Iceland, training for mountain and Arctic warfare, and drove his machine-gun carrier on to the beach in Normandy in 1944. According to the New York Times, Davies made his first airplane trip in 1948. Subsequently he worked for the Ministry of Civil Aviation, British European Airways, the Bristol Aeroplane Company and de Havilland before moving to the United States in 1968 to lead market research for Douglas Aircraft. A lifelong aviation enthusiast, Davies dedicated his work to different aspects of the airline industry, including traffic forecasting, and specializing in its history. He researched airlines at the National Air and Space Museum as the Charles A. Lindbergh Chair in Aerospace History in 1981–1982.
Davies was responsible, alongside artist Mike Machat, for the book series An Airline and its Aircraft, about selected airlines' histories, including the types flown. His writing led him to found Paladwr Press, which published 38 books of classic airline histories and biographies.