Black Sun (French: Soleil noir) is a 1966 French-Italian crime thriller film directed by Denys de La Patellière and starring Michèle Mercier, Daniel Gélin and Valentina Cortese. It was shot at the Boulogne Studios in Paris and on location near Ouargla in Algeria. The film's sets were designed by the art director Léon Barsacq.
The heiress Christine Rodier travels to a North Africa to find her long-lost brother Guy, who has been living in the Sahara Desert. Wanted for his collaboration with the Germans during the Second World War, he is living amongst former Nazis and other unsavoury types in a remote location.