The Story of Louis Pasteur is a 1936 American black-and-white biographical film from Warner Bros., produced by Henry Blanke, directed by William Dieterle, that stars Paul Muni as the renowned scientist who developed major advances in microbiology, which revolutionized agriculture and medicine. The film's screenplay—which tells a highly fictionalized version of Pasteur’s life—was written by Pierre Collings and Sheridan Gibney, and Edward Chodorov (uncredited).

Muni won an Academy Award for Best Actor, while Collings and Gibney won for Best Screenplay and Best Story. The film was nominated for Best Picture.

Muni also won the Volpi Cup for Best Actor from the Venice Film Festival in 1936.