Knock at the Cabin is a 2023 American apocalyptic psychological horror film written, directed and produced by M. Night Shyamalan, who wrote the screenplay from an initial draft by Steve Desmond and Michael Sherman. It is based on the 2018 novel The Cabin at the End of the World by Paul G. Tremblay, the first adaptation of one of his works. The film stars Dave Bautista, Jonathan Groff, Ben Aldridge, Nikki Amuka-Bird, Kristen Cui, Abby Quinn, and Rupert Grint. In the film, a family vacationing at a remote cabin is suddenly held hostage by four strangers, who ask something unimaginable.

Knock at the Cabin premiered in New York City at the Rose Hall on January 30, 2023, and was theatrically released in the United States on February 3, 2023, by Universal Pictures. The film received generally positive reviews from critics and has grossed over $54 million worldwide.