Oh, Doctor is a 1937 American comedy film directed by Ray McCarey and written by Harry Clork and Brown Holmes. It is based on the 1923 novel Oh, Doctor! by Harry Leon Wilson. The film stars Edward Everett Horton, Donrue Leighton, William Hall, Eve Arden, Thurston Hall, Catherine Doucet, William Demarest and Edward Brophy. The film was released on April 1, 1937, by Universal Pictures.