Go is a 1999 American crime comedy film written by John August and directed by Doug Liman, with intertwining plots involving three sets of characters. The film stars William Fichtner, Katie Holmes, Jay Mohr, Sarah Polley, and Scott Wolf and features Taye Diggs, Breckin Meyer, Timothy Olyphant, Desmond Askew, Jane Krakowski, J. E. Freeman, and Melissa McCarthy in her film debut.

The film is set around Christmas. A woman purchases ecstasy pills, covertly disposes of them, and then sells fake pills at a rave. She is later confronted by an armed drug dealer.

The film underperformed at the box office but was critically acclaimed. It has since become a cult classic.