The following is a list of unproduced Jesús Franco projects in roughly chronological order. During his long career, Spanish film director Jesús Franco has worked on a number of projects which never progressed beyond the pre-production stage under his direction.
Franco had partnered with León Klimovsky on a project that was a series of period films made for Spanish television titled Les grandes amantes de la hisotira (Women's Decisions). The series was reportedly about "History's great lovers", and was to be produced by Ladislao Veszi's Urania Films. The series was to include El último amor de Lucrecia Borgia and La maja desnuda . Other brief outlines of stories involving Cleopatra, Christina, Queen of Sweden, Mary Stuart, Boabdil, Lola Montes, Bettina von Arnim, Isabella I of Castile, and Potiphar's wife.
Shortly after filming Tenemos 18 años (1959), a trio of short films were requested:Roncesvalles, Segovia ciudad fantasma, and Viaje al año mil which were grouped under the title España, nuestra desconocida .