Francis Edgar Stanley, also known as F. E. Stanley (June 1, 1849 – July 13, 1918), was an American businessman and was the co-founder, along with his twin brother Freelan Oscar Stanley, of the Stanley Motor Carriage Company which built the Stanley Steamer.
He and his twin brother, Freelan Oscar Stanley (otherwise known as Freel, or more often F. O.) learned to carve violins as taught by their grandfather, Liberty Stanley, at the age of ten. He attended Western State Normal School, now known as the University of Maine at Farmington. While F. O. initially became a teacher, F. E. took a different path, moving to Lewiston, Maine and opening a photography studio in 1874. Within a few years, the studio was one of the largest in New England, and his twin brother eventually joined him in the business. During that time, F. E. patented the first photographic airbrush, which he used to colorize photos.