Brightburn is a 2019 American superhero horror film directed by David Yarovesky, written by Brian and Mark Gunn, and produced by James Gunn and Kenneth Huang. Starring Elizabeth Banks, David Denman, Jackson A. Dunn, Matt Jones and Meredith Hagner, the plot follows Brandon Breyer, a young boy of extraterrestrial origin reared on Earth who discovers he has superpowers, using them with dark intentions. The film was produced and financed by Screen Gems, Stage 6 Films, The H Collective and Troll Court Entertainment.

Brightburn was announced as "Untitled James Gunn Horror Project" in December 2017. Gunn produced the film, while his brother Brian and cousin Mark penned the screenplay, which adapts the concept of Superman for explicit horror. Principal photography began in March 2018 and wrapped in May of that same year.

Brightburn was released in the United States on May 24, 2019, by Sony Pictures Releasing. The film received mixed reviews from critics, who praised the horror elements, gore, concept, and Banks' performance, but criticized its writing and pacing, and felt that the film did not deliver on the full potential of its premise. The film grossed $32.9 million against a production budget of $6–12 million.