813 is a 1920 American mystery film directed by Charles Christie and Scott Sidney, written by Scott Darling from the 1910 story by Maurice Leblanc, produced by Al Christie, released by the Christie Film Company and the Robertson-Cole Pictures Corporation, and starring Wedgwood Nowell as jewel thief Arsene Lupin with a supporting cast featuring Ralph Lewis, Wallace Beery, and Laura La Plante. It is not known whether the film currently survives, and it may be a lost film.