The canton of Lens-Est 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. It had a total of 20,023 inhabitants (2012).

The canton is organised around Lens in the arrondissement of Lens. The altitude varies from 27m to 71m (Lens) for an average altitude of 29m.

The canton comprised 2 communes:

• Lens (partly)
• Sallaumines

• Cantons of Pas-de-Calais
• Communes of Pas-de-Calais
• Arrondissements of the Pas-de-Calais department

50°25′35″N 2°50′55″E / 50.42639°N 2.84861°E / 50.42639; 2.84861