Auchy-les-Mines (French pronunciation: [oʃi le min]) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.

A small ex-coal mining town, now mostly a light engineering and farming commune, situated 6 miles (9.7 km) east of Béthune and 12 miles (19 km) southwest of Lille, at the junction of the N41 and the D163 roads.

[6] British soldiers of the 170th Tunneling Company established a listening system at the bottom of shaft 8bis which picked up sounds of activity in August 1917.

In early September there was an underground struggle in which the Germans were forced out of the mine.

After the attack a thick masonry wall was built in the main haulage gallery to isolate the sectors near shafts 8 and 8bis.