Nizhal (pronounced [n̪iɻal]; transl. Shadow) is a 2021 Indian Malayalam-language mystery thriller film directed by Appu N. Bhattathiri in his debut and written by S. Sanjeev. It stars Kunchacko Boban and Nayanthara. It also features Izin Hash, Rony David, Saiju Kurup and Divya Prabha in supporting roles. Appu N. Bhattathiri with Arunlal S. P. edited the film while Deepak D. Menon handled the cinematography. Sooraj S. Kurup composed the original songs and background score. The film is produced by Anto Joseph Film Company and Melange Film House in association with Tentpole Movies. Kunchacko Boban plays the role of a first-class Judicial Magistrate for the first time in his career.

In the film, John Baby, who is recovering from a traumatic accident, meets Nitin, a young boy who interests him with murder stories. When Baby explores the possibility of Nitin's stories by mapping the events, it corresponds with the actual incidents.