| State: | CO |
| Type: | SH |
| Route: | 317 |
| Map: | Colorado State Highway 317 Map.svg |
| Map Notes: | Map of northwestern Colorado with SH 317 highlighted in red |
| Length Mi: | 12.237 |
| Length Ref: | [1] |
| Counties: | Moffat, Routt |
| Direction A: | West |
| Terminus A: | in Hamilton |
| Direction B: | East |
| Terminus B: | near the Routt County line |
| Previous Type: | SH |
| Previous Route: | 300 |
| Next Type: | SH |
| Next Route: | 318 |
State Highway 317 (SH 317) is a 12.237adj=midNaNadj=mid state highway in the US state of Colorado. The western terminus is at SH 13 in Hamilton, and the eastern terminus is at Routt County Route 29 (CR 29).
SH 317 runs 12.2miles, starting at a junction with SH 13 in Hamilton. The highway follows the Williams Fork River to the east and ends at a junction with CR 29 just over the Routt County line.