| Province: | QC |
| Type: | QC |
| Route: | 263 |
| Map: | Route 263-QC.png |
| Length Km: | 220 |
| Length Round: | 1 |
| Length Ref: | [1] |
| Direction B: | North |
| Direction A: | South |
| Terminus B: | east of Becancour |
| Terminus A: | in Saint-Augustin-de-Woburn |
| Previous Type: | QC |
| Previous Route: | 261 |
| Next Type: | QC |
| Next Route: | 265 |
| Cities: | Disraeli, Princeville |
| Junction: | in Saint-Augustin-de-Woburn & Marston in Lambton in Disraeli in Saint-Fortunat in Princeville in Sait-Rosaire in Saint-Louis-de-Blanford in Sainte-Marie-de-Blandford east of Becancour |
Route 263 is a two-lane north/south highway on the south shore of the Saint Lawrence River in Quebec, Canada. Its northern terminus is in the city of Bécancour at the junction of Route 132, and the southern terminus is at the junction of Route 161 close to Saint-Augustin-de-Woburn.