The Canton of Leforest is a former canton situated in the department of the Pas-de-Calais and in the Nord-Pas-de-Calais region of northern France.

It was disbanded following the French canton reorganisation which came into effect in March 2015.

[1] The canton is organised around Leforest in the arrondissement of Lens.

The altitude varies from 20 m (Courcelles-lès-Lens) to 66 m (Leforest) for an average altitude of 27 m. The canton comprised 4 communes:[1]

This Pas-de-Calais geographical article is a stub.