Behind the Mask: The Rise of Leslie Vernon is a 2006 American mockumentary black comedy slasher film directed by Scott Glosserman. It stars Nathan Baesel, Angela Goethals, Scott Wilson, Zelda Rubenstein, and Robert Englund. A homage to the slasher genre, the film follows a journalist and her crew that are documenting an aspiring serial killer who models himself according to slasher film conventions.

Principal photography took place in Oregon, although the story takes place in a small town in Maryland. The film premiered at the 2006 South by Southwest film festival and was shown at several other festivals followed by a limited release in the United States on March 16, 2007. It is Zelda Rubenstein's final film released during her lifetime before her death in 2010.