Espionage (French: Espionnage) is a 1929 French silent war spy film directed by Jean Choux and starring Lilian Constantini, Véra Sherbane and Thérèse Reignier. It was inspired by the story of the First World War spy Louise de Bettignies active in German-occupied Belgium. The film's sets were designed by the art director Gaston David. It is also known by the longer title Espionnage ou la guerre sans armes.