The Dangerous Lives of Altar Boys is a 2002 American comedy-drama film directed by Peter Care and written by Jeff Stockwell and Michael Petroni based on Chris Fuhrman's 1994 semi-autobiographical coming-of-age novel of the same name. The film stars Emile Hirsch, Kieran Culkin, Jena Malone, Jodie Foster and Vincent D'Onofrio.

The film is about a group of Catholic school friends in the Southern United States in the 1970s who engage in a series of pranks and general mischief. The boys also collaborate on a comic book they call The Atomic Trinity. Interspersed within the film are segments of animated footage based on the comic book. THINKFilm paid $1 million to acquire the film's North American distribution rights and went on to gross $1.8 million in limited theatrical release, making it a profitable acquisition for THINKFilm.

Fuhrman died of cancer before completing the final revision of the novel. The film, dedicated to his memory, received positive reviews from critics.