| Madisson River | |
| Pushpin Map: | Quebec |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Estrie |
| Subdivision Type4: | MRC |
| Subdivision Name4: | Le Granit Regional County Municipality |
| Source1: | Lac du Rat Musqué (designated "Rancio Lake") |
| Mouth: | Chaudière River |
| Mouth Location: | Sainte-Cécile-de-Whitton |
| Progression: | Chaudière River, St. Lawrence River |
| River System: | St. Lawrence River |
| Tributaries Left: | (upstream) |
| Tributaries Right: | (upstream) Décharge du Lac Trois Milles |
The Madisson River (in French: rivière Madisson) is a tributary of the west bank of the Chaudière River which flows northward to empty on the south bank of the St. Lawrence River.
The Madisson River flows in the municipalities of Lac-Drolet and Sainte-Cécile-de-Whitton, in the Le Granit Regional County Municipality, in the administrative region of Estrie, Québec, Canada.[1]
The Madisson River toponym was formalized on March 6, 1970, at the Commission de toponymie du Québec.[2]