The War Within is a 2005 American political drama film directed by Joseph Castelo, who wrote the screenplay with Ayad Akhtar and Tom Glynn. The film stars Akhtar as Hassan, a Pakistani engineering student who is apprehended by Western intelligence services for suspected terrorist activities. It also stars Nandana Sen, Firdous Bamji, Sarita Choudhury, and Charles Daniel Sandoval.

The War Within had its world premiere at the 30th Toronto International Film Festival on September 13, 2005 and a limited theatrical release on September 30, 2005. The film was nominated for two Satellite Awards and two Independent Spirit Awards.