Sieghardt Rupp (14 June 1931 – 20 July 2015)[1] was an Austrian actor who performed in film, television and theatre.

He became known for his performances in gangster or Western films in the 1960s where he typically portrayed a bandit or mercenary.

His dark features, similar to those of his Italian co-stars meant that he could play Latin characters, such as Mexicans.

His most noted Western performance was his role as Esteban Rojo in Sergio Leone's 1964 production A Fistful of Dollars alongside Clint Eastwood and Gian Maria Volonté.

However, he portrayed several TV characters afterwards, notably in Tatort as Border Patrol Investigator Kressin between 1971 and 1973.