| Province: | QC |
| Type: | QC |
| Route: | 337 |
| Maint: | Transports Québec |
| Map: | Route 337-QC.png |
| Length Km: | 80.0 |
| Length Round: | 1 |
| Length Ref: | [1] |
| Direction B: | North |
| Direction A: | South |
| Terminus B: | in Saint-Jean-de-Matha |
| Terminus A: | in Terrebonne |
| Previous Type: | QC |
| Previous Route: | 335 |
| Next Type: | QC |
| Next Route: | 338 |
| Cities: | Terrebonne, Mascouche, Saint-Lin-Laurentides, Saint-Jean-de-Matha |
| Junction: | in Terrebonne in Mascouche in La Plaine in Saint-Lin-Laurentides in Sainte-Julienne in Rawdon in Saint-Alphonse-Rodriguez |
Route 337 is a Quebec provincial highway situated in the Lanaudière region. It runs from the junctions of Autoroute 25 and Route 344 in Terrebonne (north of Laval and Montreal) and ends in Saint-Jean-de-Matha at Route 131. It overlaps Route 335 and Route 158 near Saint-Lin–Laurentides as well as Route 125 in Sainte-Julienne, Route 341 and Route 348 in Rawdon and Route 343 in Saint-Alphonse-Rodriguez.