Derek Elliston Michael Malcolm (12 May 1932 – 15 July 2023) was an English film critic and historian.

[5] Malcolm worked for several decades as a film critic for The Guardian, having previously been an amateur National Hunt jockey, where he had 13 victories, then an actor, and the paper's first horse racing correspondent.

[7] Malcolm defended the "video nasty" Nightmare (1981) during an obscenity trial and expressed disappointment over the ruling against the distributors.

In 2003, he published an autobiographical book, Family Secrets, which recounts how in 1917 his father shot his mother's lover dead, but was found not guilty of murder.

[14] Malcolm died from heart and lung failure at his home in Deal, Kent, on 15 July 2023, at the age of 91.