Denys Neil Coop (20 July 1920 – 16 August 1981) was an English camera operator and cinematographer.

In the 1960s he was Director of Photography on films such as A Kind of Loving (1962), This Sporting Life (1963), Billy Liar (1963) and Bunny Lake Is Missing (1965).

He was nominated for the Best Cinematography (B&W) BAFTA in 1964 for Billy Liar, in 1965 for King and Country, and in 1967 for Bunny Lake is Missing.

His black and white cinematography on films such as these, and This Sporting Life amongst others earned him the reputation as one of the finest B&W cinematographers of his generation.

[citation needed] He was followed into the film industry by his son, Trevor (a camera operator), and his three grandchildren, Jason (focus puller), Gareth (a clapper loader) and Amy (an assistant director).