Blood on the Sun is a 1945 American drama romantic thriller war film directed by Frank Lloyd starring James Cagney and Sylvia Sidney. The film is based on a fictional history behind the Tanaka Memorial document.

The film won the Academy Award for Best Art Direction for a Black & White (Wiard Ihnen, A. Roland Fields) film in 1945. A computer-colorized version of the film was created in 1993.