Knock Knock
- Jier: 2008
- Lân: United States of America
- Sjenre: Horror
- Studio: Ariola Productions. Inc.
- Keyword: high school, revenge, staten island, new york city
- Direkteur: Joseph Ariola
- Cast: Nicole Abisinio, Chris Bashinelli, Kat Castaneda, Suzi Lorraine, Joli Julianna, Matt Fraley