| Province: | NB |
| Type: | NB |
| Route: | 363 |
| Maint: | New Brunswick Department of Transportation |
| Length Ref: | [1] |
| Length Round: | 1 |
| Direction A: | East |
| Direction B: | West |
| Terminus A: | east of Saint-Sauveur |
| Cities: | Butte-D'Or, Spruce Brook |
| Terminus B: | in Hacheyville |
| Previous Type: | NB |
| Previous Route: | 360 |
| Next Type: | NB |
| Next Route: | 365 |
Route 363 is a 3km (02miles) long east–west secondary highway in the northeast portion of New Brunswick, Canada.
The route's eastern terminus is east of the community of Saint-Sauveur. The road travels east to through the communities of Butte-D'Or and Spruce Brook before ending in Hacheyville.