| Canal latéral à l'Aisne | |
| Canal Length: | 51.3km (31.9miles) |
| Lock Length: | 46m (151feet) |
| Lock Width: | 7.95m (26.08feet) |
| Min Boat Draft: | 1.80m |
| Min Boat Air Draft: | 3.50m |
| Current Num Locks: | 8 |
| Status: | Open |
| Date Approved: | 1834 |
| Date Completed: | 1841 |
| Start Point: | Vieux-lès-Asfeld |
| End Point: | Condé-sur-Aisne |
| Begin Coord: | 49.4483°N 4.0953°W (easternmost point) |
| End Coord: | 49.4013°N 3.4843°W (westernmost point) |
| Connects To: | Aisne, Canal des Ardennes |
The Canal latéral à l'Aisne (in French pronounced as /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 51.3km (31.9miles) 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