| Province: | QC |
| Type: | QC |
| Route: | 261 |
| Map: | Route 261-QC.png |
| Length Km: | 37 |
| Length Round: | 1 |
| Length Ref: | [1] |
| Direction B: | North |
| Direction A: | South |
| Terminus B: | near Becancour |
| Terminus A: | near Saint-Valere |
| Previous Type: | QC |
| Previous Route: | 259 |
| Next Type: | QC |
| Next Route: | 263 |
| Cities: | Becancour, Daveluyville |
| Junction: | in Daveluyville |
Route 261 is a north/south highway on the south shore of the Saint Lawrence River in Quebec, Canada. Its northern terminus is in Bécancour (south of Trois-Rivières) at the junction of Route 132 and its southern terminus is in Saint-Valère at the junction of Route 161.