| Province: | QC |
| Type: | QC |
| Route: | 239 |
| Maint: | Transports Québec |
| Map: | Route 239-QC.png |
| Length Km: | 63.3 |
| Length Round: | 1 |
| Length Ref: | [1] |
| Direction A: | South |
| Direction B: | North |
| Terminus A: | in Saint-Germain-de-Grantham |
| Terminus B: | in Sainte-Victoire-de-Sorel |
| Previous Type: | QC |
| Previous Route: | 237 |
| Next Type: | QC |
| Next Route: | 241 |
| Junction: | in Saint-Eugène |
Route 239 is a north–south highway on the south shore of the Saint Lawrence River, in the Montérégie and Centre-du-Québec regions. Its northern terminus is at Route 133 in Sainte-Victoire-de-Sorel and its southern terminus is at Saint-Germain-de-Grantham at the junction of Route 122.