Fun Size is a 2012 American teen comedy film directed by Josh Schwartz, written by Max Werner, and starring Victoria Justice, Thomas Mann, Jane Levy and Chelsea Handler.

The film tells the story of a teenage girl's Halloween plans gone awry when she's made to babysit her young brother, who disappears into a sea of trick-or-treaters and with her best friends and two nerds at her side, she needs to find her brother before her mom realizes he's missing.

Fun Size was released in theaters on October 26, 2012, by Paramount Pictures. The film received negative reviews from critics and was a box office bomb, grossing only $11.4 million worldwide against a $14 million budget.