The Canal latéral à l'Aisne (French pronunciation: [kanal lateʁal a lɛn]) is a canal in northern France, which connects the Canal des Ardennes at Vieux-lès-Asfeld to the canalised river Aisne at Condé-sur-Aisne. It is 51.3 km (31.9 mi) long, with 8 locks. It runs alongside the Aisne. It has junctions with the Canal de l'Aisne à la Marne at Berry-au-Bac and with the Canal de l'Oise à l'Aisne in Bourg-et-Comin.
Kilometre distances are given from east to west, and are continued along the canalised river Aisne down to the junction with the river Oise at PK 108
