| Little Sainte-Marguerite 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: | Bellechasse Regional County Municipality |
| Source1: | Forest stream |
| Source1 Location: | Saint-Paul-de-Montminy |
| Mouth: | Rivière du Sud (Montmagny) |
| Mouth Location: | Saint-Raphaël |
| Progression: | Rivière du Sud (Montmagny), St. Lawrence River |
| Tributaries Left: | (upstream) |
| Tributaries Right: | (upstream) Branche Rémillard |
The Petite rivière Sainte-Marguerite (in English: Little Sainte-Marguerite River) crosses the municipalities of Saint-François-de-la-Rivière-du-Sud (MRC of Montmagny Regional County Municipality) and Saint-Raphaël (MRC de Bellechasse Regional County Municipality), in the administrative region of Chaudière-Appalaches, in Quebec, in Canada.
The "Petite rivière Sainte-Marguerite" is a tributary of the north bank of the rivière du Sud (Montmagny) which flows nord-west, then north-east to the south bank of St. Lawrence River.
The "Little Sainte-Marguerite river" has its source in a mountainous area in the municipality of Saint-François-de-la-Rivière-du-Sud, located in the Notre Dame Mountains.
From its source, the "Petite rivière Sainte-Marguerite" flows in a forest zone over with a drop of, according to the following segments:
The "Petite rivière Sainte-Marguerite" empties on the north shore of the rivière du Sud (Montmagny) between two series of falls and downstream of the Saint-Raphaël.
The toponym "Petite rivière Sainte-Marguerite" was made official on July 10, 1969, at the Commission de toponymie du Québec.[2]