| Tortue River | |
| Pushpin Map: | Quebec |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Chaudière-Appalaches |
| Subdivision Type4: | MRC |
| Subdivision Name4: | L'Islet Regional County Municipality |
| Source1: | Forest stream |
| Source1 Location: | Saint-Aubert |
| Mouth: | St. Lawrence River |
| Mouth Location: | L'Islet |
| Basin Size: | NaNkm (-2,147,483,648miles) |
| Tributaries Left: | (upstream) |
| Tributaries Right: | (upstream) |
The Tortue River (in French: rivière Tortue) is a tributary of the south shore of the St. Lawrence River where it empties east of the village of L'Islet-sur-Mer.[1]
The toponym Rivière Tortue was made official on December 5, 1968, at the Commission de toponymie du Québec.[2]