Leulinghem (; ) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.
The Truce of Leulinghem was signed in Leulinghem in June 1389.
A small village situated 5 miles (8 km) southwest of Saint-Omer, on the D212 road and 23 miles (38km) southwest of Calais, half a mile from the A26 autoroute.