Douglas Fairbanks, American actor
Douglas MacArthur, American general
Douglas Coupland, Canadian author
Douglas Booth, English actor
Douglas Adams, English writer
Douglas Colvin, German-American songwriter and musician, best known as founding member, songwriter and bassist for punk rock band the Ramones. Mostly known by DeeDeeRamone.
Douglas, with Donald, one of the twin engines in "Thomas the Tank Engine"
Douglas Yancey "Doug" Funnie, title character of animated series Doug
Douglas Reynholm, from British TV series "The IT Crowd"
Douglas Spalding of RayBradbury's classic novel, Dandelion Wine