| Colbert River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Centre-du-Québec |
| Subdivision Type4: | MRC |
| Subdivision Name4: | Nicolet-Yamaska Regional County Municipality |
| Subdivision Type5: | Municipality |
| Subdivision Name5: | Saint-Elphège and Baie-du-Febvre |
| Length: | 12.6km (07.8miles) |
| Source1: | Agricultural streams |
| Source1 Location: | Saint-Elphège |
| Source1 Coordinates: | 46.0982°N -72.731°W |
| Source1 Elevation: | 40m (130feet) |
| Mouth: | Lake Saint-Pierre, St. Lawrence River |
| Mouth Location: | Baie-du-Febvre |
| Mouth Coordinates: | 46.1489°N -72.7733°W |
| Mouth Elevation: | 6m (20feet) |
| Tributaries Left: | (upstream) Ruisseau de la Commune, cours d'eau Grande Ligne, ruisseau Fortunat Veilleux |
| Tributaries Right: | (upstream) Cours d'eau Gouin |
| Country: |  Canada |
The Colbert river (in French: rivière Colbert) is a tributary on the southeast shore of lake Saint-Pierre which is crossed to the northeast by the St. Lawrence River. The Colbert river crosses the municipalities of Saint-Elphège and Baie-du-Febvre, in the Nicolet-Yamaska Regional County Municipality (MRC), in the administrative region of Centre-du-Québec, in Quebec, in Canada.
The main neighboring hydrographic slopes of the Colbert river are:
The Colbert river draws its head waters from various agricultural streams (notably the Fronteau stream, Daneau stream and cours d'eau Grande Ligne) near the Chemin du rang de la Grande-Plaine, in the municipality of Saint-Zéphirin-de-Courval. This head area is located west of the village of Saint-Elphège, west of the village of Saint-Zéphirin-de-Courval and northeast of the Saint-François River.
The course of the Colbert River descends on generally northwest into an agricultural zone, with a drop of, according to these segments:
The Colbert river empties onto the Batture de la Pierre à Chaux, on the south shore of lake Saint-Pierre, to the southwest of the confluence of the Landroche River, to the northeast of the confluence of the Lévesque River and west of the village of Baie-du-Febvre.
The term "Colbert" constitutes a family name of French origin.
The toponym "Rivière Colbert" was formalized on December 5, 1968, at the Commission de toponymie du Québec.[2]