| State: | KY |
| Type: | KY |
| Route: | 670 |
| Map Custom: | yes |
| Map Notes: | KY 670 highlighted in red |
| Length Mi: | 2.712 |
| Established: | 1982[1] |
| Direction A: | West |
| Terminus A: | near Providence |
| Direction B: | North |
| Terminus B: | in Providence |
| Counties: | Webster |
| Previous Type: | KY |
| Previous Route: | 669 |
| Next Type: | KY |
| Next Route: | 671 |
Kentucky Route 670 (KY 670) is a 2.712adj=midNaNadj=mid state highway in southern Webster County. It serves as a northern bypass around Providence, connecting KY 109 to U.S. Route 41 Alternate (US 41 Alt.).