Cuckoo is a 2024 horror-thriller film written and directed by Tilman Singer. The film stars Hunter Schafer, Jan Bluthardt, Marton Csokas, Jessica Henwick, and Dan Stevens. It follows a teenager who moves to live with her father in the German Alps but becomes disturbed by strange occurrences, as her father's boss embroils her family in a sinister plot.

Cuckoo had its world premiere at the 74th Berlin International Film Festival on February 16, 2024, and was released in Germany on August 8, 2024, and in the United States on the following day.