The Doctor's Secret (Italian: Il segreto del dottore) is a 1931 American drama film directed by Jack Salvatori and starring Soava Gallone, Lamberto Picasso and Alfredo Robert. It was made at the Joinville Studios in Paris, as the Italian-language version of Paramount Pictures's The Doctor's Secret (1929). A separate Swedish-language version had also been produced at Joinville. The film's sets were designed by Paolo Reni.