C. W. & George L. Rapp, commonly known as Rapp & Rapp, was an American architectural firm famed for the design of movie palaces and other theatres. Active from 1906 to 1965 and based in Chicago, the office designed over 400 theatres, including the Chicago Theatre (1921), Bismarck Hotel and Theatre (1926) and Oriental Theater (1926) in Chicago, the Five Flags Center (1910) in Dubuque, Iowa and the Paramount Theatres in New York City (1926) and Aurora, Illinois (1931).