St. Elmo is a 1914 American silent drama film produced by the Balboa Amusement Producing Company and distributed by William Fox's Box Office Attractions Company. It was the first feature-length film adaptation of Augusta Jane Evans's 1866 novel of the same name. The story follows the life of the title character, who kills his cousin over the love of Agnes, falls from grace, and eventually finds redemption and love with Edna. It is disputed who directed the film; many sources credit Bertram Bracken, while others list St. Elmo as J. Gordon Edwards's directorial debut.

St. Elmo is a novel by American author Augusta Jane Evans published in 1866. Featuring the sexual tension between the protagonist St. Elmo, a cynical man, and the heroine Edna Earl, a beautiful and devout girl, the novel was about the agency of women who could save men from apostasy. The novel became one of the most popular novels of the 19th century. The novel sold a million copies within four months of its publication.