The Canon de 155 L modèle 1918 Schneider was a French heavy artillery piece designed and produced during the First World War. A number were still on hand during the Second World War and served in French and German service.

The de Bange 155 mm long cannon mle. 1877 was the French artillery piece that debuted the 155 mm caliber in widespread use today. Although obsolete by the beginning of World War I, the 155 L was nonetheless pressed into service and became the main counter-battery piece of the French army in the first two years of the war.