The Four Just Men is a 1921 British silent crime film directed by George Ridgwell and starring Cecil Humphreys, Teddy Arundell and Charles Croker-King.

Its plot concerns four vigilantes who seek revenge for the public against criminals.

A hard-headed business tycoon begins receiving threatening letters from a group who describe themselves as the "Four Just Men".

Scotland Yard are called in, but struggle to protect him from the seemingly ever-present threat.

It was made by Stoll Pictures, Britain's largest production company, at their Cricklewood Studios in North London.