Day Zero is a 2007 American drama film directed by Bryan Gunnar Cole and written by Robert Malkani. Set in the near future when global terrorism has forced the military to reinstate the draft, three young men, who have just received their induction notices and have 30 days to report for duty, must battle their political views before making a decision that will change their lives forever.

This is American director Cole's debut film. It premiered at the 2007 Tribeca Film Festival and opened in limited release in the United States on January 18, 2008. The film stars Elijah Wood, Chris Klein and Jon Bernthal. It also features Ginnifer Goodwin, Sofia Vassilieva, Elisabeth Moss and Ally Sheedy.