Allouagne (French pronunciation: [alwaɲ]; Picard: Allouanne) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.

[3] A large farming village situated some 6 miles (9.7 km) west of Béthune and 30 miles (48 km) southwest of Lille, at the junction of the D188 and the D183 roads.

The town is bypassed by the A26 autoroute to the north.

Allouagne is twinned with: