Hans Dreier (August 21, 1885 – October 24, 1966) was a German motion picture art director.
He was Paramount Pictures' supervising art director from 1927 until his retirement in 1950, when he was succeeded by Hal Pereira.
After studying architecture in Munich, Germany, Dreier worked as imperial supervising architect of the German Cameroon.
At the urging of German director Ernst Lubitsch, Dreier relocated to Hollywood in 1923 to work for Paramount.
He won Academy Awards for Best Art Direction (Color) for Frenchman's Creek (1944) and Samson and Delilah (1950).