Knock Knock
- Godina: 2015
- Country: Chile, Germany, United States of America
- Žanr: Horror, Thriller
- Studio: Sobras International Pictures, UFA, Black Bear Pictures, Camp Grey, Elevated Films, Movie Trailer House, Dragonfly Entertainment, Voltage Pictures
- Ključna riječ: adultery, infidelity, cake, disc jockey, rain, architect, seduction, torture, art, home invasion, extramarital affair, threesome, seductress, erotic thriller, married man
- Direktor: Eli Roth
- Uloge: Keanu Reeves, Lorenza Izzo, Ana de Armas, Aaron Burns, Colleen Camp, Ignacia Allamand