The canton of Liévin-Sud 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 24,326 inhabitants (2012).

The canton is organised around Liévin in the arrondissement of Lens. The altitude varies from 31m (Éleu-dit-Leauwette) to 106 m (Angres) for an average altitude of 55m.

The canton comprised 3 communes:

• Angres
• Éleu-dit-Leauwette
• Liévin (partly)

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

50°25′03″N 2°46′59″E / 50.41750°N 2.78306°E / 50.41750; 2.78306