The Ninth Configuration
- Jaar: 1980
- Land: United States of America
- Genre: Drama, Thriller, Comedy, Mystery, Horror
- Studio: Ninth Configuration, United Film Distribution Company (UFDC), Warner Bros. Pictures
- Sleutelwoord: vietnam war, army, post-traumatic stress disorder (ptsd), based on novel or book, supernatural, dark comedy, castle, insane asylum, religion, astronaut, crucifix, psychosis, combat fatigue, absurdism
- Direkteur: William Peter Blatty
- Gooi: Stacy Keach, Scott Wilson, Jason Miller, Ed Flanders, Neville Brand, George DiCenzo