Edward Manson Stevenson (May 13, 1906 – December 2, 1968) was an Academy Award-winning American costume designer. His film and television credits number well over two hundred, including Citizen Kane and It's a Wonderful Life, both frequently cited as being among the greatest films of all time. He was named Head Designer for RKO Studios in 1936. His work on The Facts of Life (1960) with Edith Head earned him an Oscar.