Lijssenthoek Military Cemetery is a Commonwealth War Graves Commission (CWGC) burial ground for the dead of the First World War in the Ypres Salient on the Western Front. After Tyne Cot, it is the second largest cemetery for Commonwealth forces in Belgium. Lijssenthoek Military Cemetery is located near Poperinge in the province of West Flanders. Most of those buried in the cemetery are war casualties who had been wounded near Ypres and later died in the four large Allied casualty clearing stations located in this area.

Poperinge is a city and municipality located in the Belgian province of West Flanders, Flemish Region, and has a history going back to medieval times. The municipality comprises the town of Poperinge proper and surrounding villages. The area is famous for its hops and lace.