| Province: | NB |
| Type: | NB |
| Route: | 255 |
| Maint: | New Brunswick Department of Transportation |
| Length Km: | 19 |
| Length Ref: | [1] [2] |
| Length Round: | 1 |
| Established: | 1965 |
| Direction A: | South |
| Direction B: | North |
| Terminus A: | in Saint-André |
| Counties: | Madawaska |
| Terminus B: | in Madawaska County |
| Previous Type: | NB |
| Previous Route: | 218 |
| Next Type: | NB |
| Next Route: | 260 |
Route 255 is a 19km (12miles)-long local highway in northwestern New Brunswick, Canada.