The canton of Lens-Nord-Ouest 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.

The altitude varies from 27m (Lens) to 74m (Loos-en-Gohelle) for an average altitude of 33m.

The canton comprised 2 communes:[1]

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