Norbert Falk, also credited as Fred Orbing, (5 November 1872, Weißkirchen - 16 September 1932, Berlin) was an Austrian journalist and writer, most notable as a screenwriter for German films made under the Weimar Republic, such as Madame Dubarry (1919), Anna Boleyn (1920), Rosita (1923) and Der Kongreß tanzt (1931).