| Province: | NS |
| Type: | Route |
| Route: | 311 |
| Length Km: | 49 |
| Length Round: | 0 |
| Length Ref: | [1] |
| Direction A: | South |
| Direction B: | North |
| Terminus A: | in Truro |
| Junction: | in Earltown in The Falls |
| Terminus B: | in Tatamagouche |
| Counties: | Colchester |
| Previous Type: | Route |
| Previous Route: | 309 |
| Next Type: | Route |
| Next Route: | 312 |
Route 311 is a collector road in the Canadian province of Nova Scotia.
It is located in Colchester County and connects Tatamagouche at Trunk 6 with Truro at Trunk 4.
The entirety of Collector Highway 311 was once designated as Trunk Highway 11.