The Treasure of the Aztecs (German: Der Schatz der Azteken) is a 1965 western adventure film directed by Robert Siodmak and starring Lex Barker, Gérard Barray and Michèle Girardon. It was made as a co-production between France, Italy and West Germany. It was based on a novel by Karl May, part of a boom in adaptations of the author's works during the decade. It was followed by a second part The Pyramid of the Sun God (1965).

It was shot at the Spandau Studios in Berlin and on location in Barcelona and Yugoslavia. The film sets were designed by the art directors Hertha Hareiter and Otto Pischinger. It was made in Eastmancolor.