| Province: | SK |
| Type: | Hwy |
| Route: | 342 |
| Photo Width: | 250 |
| Length Km: | 123.3 |
| Length Round: | 1 |
| Direction A: | West |
| Direction B: | East |
| Terminus B: | near Beechy |
| Rural Municipalities: | Snipe Lake, Lacadena, Victory |
| Previous Type: | Hwy |
| Previous Route: | 340 |
| Next Type: | Hwy |
| Next Route: | 343 |
Highway 342 is a provincial highway in the Canadian province of Saskatchewan. It runs from Highway 42 to Range Road 3183 near Plato and Highway 44. It is about long.
The highway passes near Beechy, White Bear, Kyle, Lacadena, Tyner, Plato, and Clearwater Lake Regional Park. It connects with Highways 647 and 4.