The Crisbecq Battery, also called Marcouf Battery, was a World War II artillery battery constructed by the Todt Organization near the French village of Saint-Marcouf in the department of Manche in the north-east of Cotentin peninsula in Normandy. It formed a part of Germany's Atlantic Wall coastal fortifications. The main armament were three Czech 21 cm Kanone 39 canons, two of which housed in heavily fortified casemates.