Joshua R. Olson is an American screenwriter and podcaster, known for writing the 2005 film A History of Violence.

A History of Violence is a 2005 action thriller film directed by David Cronenberg and written by Josh Olson. It is an adaptation of the 1997 graphic novel of the same title by John Wagner and Vince Locke. The film stars Viggo Mortensen, Maria Bello, Ed Harris, and William Hurt. In the film, a diner owner becomes a local hero after he foils an attempted robbery, but has to face his past enemies to protect his family.