Murderball is a 2005 American documentary film about athletes who are physically disabled who play wheelchair rugby. It centers on the rivalry between the Canadian and U.S. teams leading up to the 2004 Paralympic Games. It was directed by Henry Alex Rubin and Dana Adam Shapiro, and produced by Jeffrey V. Mandel and Shapiro. It was nominated for Best Documentary Feature for the 78th Academy Awards. Murderball was the first and only MTV film released through THINKFilm as well as Participant Media.

Wheelchair rugby is a team sport for athletes with a disability. It is practiced in over twenty-five countries around the world and is a summer Paralympic sport.