Alexandre Trauner (as Sándor Trau on 3 August 1906 in Budapest, Hungary – 5 December 1993 in Omonville-la-Petite, France) was a production designer.
After studying painting at Hungarian Royal Drawing School, he emigrated to Paris in 1929, where he became the assistant of set designer Lazare Meerson, working on such films as À nous la liberté (1932) and La Kermesse héroïque (1935). In 1937, he became a chief set designer.
He worked on the majority of Marcel Carné's films, including Quai des brumes (1938), Le Jour se lève (1939), and Les Enfants du paradis (1945).
He designed sets for Witness for the Prosecution (1957) directed by Billy Wilder and other Wilder films, John Huston's The Man Who Would Be King (1975), Joseph Losey's Don Giovanni (1979), Luc Besson's Subway (1985).
In 1980, he was a member of the jury at the 30th Berlin International Film Festival.
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