| Saint-André River | |
| Pushpin Map: | Quebec |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Administrative region |
| Subdivision Name3: | Chaudière-Appalaches |
| Subdivision Type4: | RCM |
| Subdivision Name4: | Lotbinière Regional County Municipality |
| Source1: | Agricultural streams |
| Source1 Location: | Saint-Sylvestre |
| Mouth: | Filkars River |
| Mouth Location: | Sainte-Agathe-de-Lotbinière) |
| Progression: | Filkars River, Beaurivage River, Chaudière River, St. Lawrence |
| Tributaries Left: | (upstream) |
| Tributaries Right: | (upstream) |
The Saint-André river (in French: rivière Saint-André) is a tributary of the Filkars River whose current flows successively into the Beaurivage River, the west bank of the Chaudière River and the south shore of the St. Lawrence River. It flows in the municipalities of Saint-Sylvestre and Sainte-Agathe-de-Lotbinière, in the Lotbinière Regional County Municipality, in the administrative region of Chaudière-Appalaches, in Québec, in Canada.
The main neighboring watersheds of the Saint-André river are:
The Saint-André River has its source in the municipality of Saint-Sylvestre, at east of the village center. This headland is located south of route 216, north of Mont Handkerchief and south of the village of Saint-Patrice-de-Beaurivage.
From its source, the Saint-André River flows over divided into the following segments:
The Saint-André river empties on the south bank of the Filkars River in the eastern part of the territory of Sainte-Agathe-de-Lotbinière. This confluence is located upstream from the confluence of the Filkars River.
The toponym "rivière Saint-André" was formalized on December 5, 1968, at the Commission de toponymie du Québec.[2]