The canton of Outreau is a canton situated in the department of the Pas-de-Calais and in the Hauts-de-France region of northern France.
The canton is organised around Outreau in the arrondissement of Boulogne-sur-Mer. The altitude varies from 0m to 96m at Équihen-Plage for an average altitude of 55m.
At the French canton reorganisation which came into effect in March 2015, the canton was expanded from 2 to 11 communes:
Coordinates: 50°41′31″N 1°34′55″E / 50.69194°N 1.58194°E