| Province: | SK |
| Type: | Hwy |
| Route: | 306 |
| Photo Width: | 250 |
| Length Km: | 66.8 |
| Length Round: | 1 |
| Direction A: | West |
| Direction B: | East |
| Terminus A: | near Estlin |
| Terminus B: | near Cedoux |
| Rural Municipalities: | Bratt's Lake, Lajord, Scott, Wellington |
| Previous Type: | Hwy |
| Previous Route: | 305 |
| Next Type: | Hwy |
| Next Route: | 307 |
Highway 306 is a provincial highway in the Canadian province of Saskatchewan. It runs from Highway 6 to Highway 35.
The highway passes near the communities of Estlin, Gray, Riceton, Bechard, Lewvan, and Colfax and intersects Highway 621 near Lewvan. It is about long.