John Adolph Emil Eberson (January 2, 1875 – March 5, 1954) was an Austrian-American architect best known for the development and promotion of movie palace designs in the atmospheric theatre style. He designed over 500 theatres in his lifetime, earning the nickname "Opera House John". His most notable surviving theatres in the United States include the Tampa Theatre (1926), Palace Theatre (1928), Majestic Theatre (1929), Akron Civic Theatre (1929) and Paramount Theatre (1929). Remaining international examples in the atmospheric style include both the Capitol Theatre (1928) and State Theatre (1929) in Sydney, Australia, The Forum (1929, Melbourne, Australia) and Le Grand Rex (1932, Paris, France).