The Canton of Arques is a former canton situated in the Pas-de-Calais département and in the Nord-Pas-de-Calais region of France.

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

It had a total of 20,550 inhabitants (2012, without double counting).

[1] This canton was centred on the town of Arques in the arrondissement of Saint-Omer.

The altitude varies from 0m at (Saint-Omer) to 95m at (Helfaut) for an average of 28m.