The Stout Scarab is a streamlined 1930–1940s American car, designed by William Bushnell Stout and manufactured by Stout Engineering Laboratories and later by Stout Motor Car Company of Detroit, Michigan.

William Bushnell Stout was a pioneering American inventor, engineer, developer and designer whose works in the automotive and aviation fields were groundbreaking. Known by the nickname "Bill", Stout designed an aircraft that eventually became the Ford Trimotor and was an executive at the Ford Motor Company.