Alincthun (French pronunciation: [alɛ̃ktœ̃]) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.

A small farming commune comprising 12 hamlets, some 10 miles (16 km) east of Boulogne, at the junction of the D238e2 and the D137 roads.

The Chemin de fer de Boulogne à Bonningues (CF de BB) opened a station serving Le Wast and Alincthun on 22 April 1900.

[6] The CF de BB closed in 1948.

This Pas-de-Calais geographical article is a stub.