Alexandr Hackenschmied, nascut Alexander Siegfried George Hackenschmied, conegut més tard com a Alexander Hammid, va ser un fotògraf, director de cinema, director de fotografia i editor de cinema txec-americà. Va emigrar als Estats Units el 1938 i es va involucrar en el cinema d'avantguarda nord-americà.

Alexander Hammid born Alexandr Hackenschmied (17 December 1907, Linz – 26 July 2004, New York City) was a leading photographer, film director, cinematographer and editor in Czechoslovakia between the two world wars. He immigrated to the U.S. in 1938 and became involved in American avant-garde cinema. He is best known known for his film, Crisis (1939), Meshes of the Afternoon (1943) and To Be Alive!(1964). He made Meshes of the Afternoon, with his wife Maya Deren—to whom he was married from 1942 to 1947. He won the 1965 Academy Award for Best Documentary (Short Subject) for To Be Alive! (1964), which he co-directed with Francis Thompson.