Rhapsody in Blue, subtitled The story of George Gershwin is a 1945 American biographical film about composer and musician George Gershwin, released by Warner Brothers. Robert Alda stars as Gershwin. Joan Leslie, Alexis Smith, Hazel Scott, and Anne Brown also star, while Irving Rapper directs. The film was released in the United States on September 22, 1945.

George Gershwin was an American composer and pianist whose compositions spanned popular, jazz and classical genres. Among his best-known works are the orchestral compositions Rhapsody in Blue (1924) and An American in Paris (1928), the songs "Swanee" (1919) and "Fascinating Rhythm" (1924), the jazz standards "Embraceable You" (1928) and "I Got Rhythm" (1930), and the opera Porgy and Bess (1935), which included the hit "Summertime".