Hans Zeller is the main antagonist of the 1959 musical The Sound of Music and its 1965 film adaptation. He started out as the mayor of the Austrian city of Salzburg, but later became the new Gauleiter of Austria following the Anschluss (Austria's annexation into Nazi Germany in 1938). He is also the bitter nemesis of Captain Georg Von Trapp (one of the protagonists).
He was portrayed by the late Ben Wright in the film.