The Canton of Heuchin 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 consisted of 32 communes,[1] which joined the canton of Saint-Pol-sur-Ternoise in 2015.

[1] The canton is organised around Heuchin in the arrondissement of Arras.

This Arras arrondissement, Pas-de-Calais geographical article is a stub.