Tilques (French pronunciation: [tilk]; West Flemish: Tileke) is a commune in the Pas-de-Calais department, Hauts-de-France region in northern France.

[3] The placename derives from medieval Flemish: Tilleke.

[4] Tilques is located 4 miles (6 km) north of Saint-Omer, at the D214 and D943 road junction.

In 1595 it belonged to Adrian Cross Lord of Wasquehal.

The mid-eighteenth century, it belonged to Andre de Martigny, then Guislain of Herbais and Family Taffin Tilques who kept two centuries.