The canton of Desvres 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 Desvres in the arrondissement of Boulogne-sur-Mer.

At the French canton reorganisation which came into effect in March 2015, the canton was expanded from 23 to 52 communes:

50°42′12″N 1°51′09″E / 50.70333°N 1.85250°E / 50.70333; 1.85250