The Lyons Mail is a 1931 British mystery film directed by Arthur Maude and starring John Martin Harvey, Norah Baring, and Ben Webster. It was based on the 1877 play The Lyons Mail by Charles Reade which in turn was based on his 1854 play The Courier of Lyons. The filmwas also released under the alternative title Courrier de Lyon. The story is based on the Courrier de Lyon case. Filmed in 1930, it was to be leading actor John Martin-Harvey's only sound film.