Altar
- An: 1970
- Pays: United States of America
- Genre: Horreur
- Studio: A24, Chernin Entertainment
- Mot-clé: based on short story
- Réalisateur: Egor Abramenko
- Jeter: January Jones, Kyle MacLachlan, David Krumholtz, Lily Collias, Brendon Tremblay, Hudson Behling