Jason Keller (born December 12, 1968, Indianapolis, Indiana) is an American playwright and screenwriter.
Keller attended Ball State University before receiving a writing scholarship to Regent's College in London, where he studied film and theater. His plays have been produced in London, Chicago, and Los Angeles. He was the recipient of a 1995 New Harmony Writing Project Fellowship for his play, Paris Moon.
After moving to Los Angeles, he began his screenwriting career when New Line Cinema bought his spec script Sugar's Sweet Science of Bruising. Keller scripted the movie Machine Gun Preacher, directed by Marc Forster. Machine Gun Preacher is based on (Another Man's War by Sam Childers) and was scheduled for release by Relativity Media in late 2011.
Keller is developing Go Like Hell (with Michael Mann attached to direct), which is based on the book by A.J. Baime about Formula One auto racing in the 1960s.
In 2011, Keller scripted Mirror Mirror starring Julia Roberts, with Tarsem Singh directing. Mirror, Mirror represents the second collaboration between Keller and Tarsem (the first was Immortals for which Keller wrote an uncredited production draft).
On May 27, 2005, he married actress Kristin Dattilo; they have two children.