Nightwatch (Danish: Nattevagten) is a 1994 Danish horror thriller film directed and written by Danish director Ole Bornedal. The film involves Martin (Nikolaj Coster-Waldau) who gets a student job as night watchman at the Forensic Medicine Institute. When making his rounds he finds he must go to where the deceased people are kept. At the same time, a series of murders occur among women in Copenhagen, while mysterious and unexplained things happen in the medical department.

Nightwatch was a success in Denmark and was shown at the Fantafestival in 1995. An English-language remake of the film was released in 1997, and a sequel in 2023; both were also directed by Bornedal. The original Nightwatch was included on a list of the top 100 Danish films as chosen by Kosmorama.