The Canton of Lillers is one of the 39 cantons of the Pas-de-Calais department, in northern France. At the French canton reorganisation which came into effect in March 2015, the canton was expanded from 9 to 22 communes:^[1]

50°35′50″N 2°32′57″E / 50.59722°N 2.54917°E / 50.59722; 2.54917