| State: | KY |
| Type: | KY |
| Route: | 490 |
| Map Custom: | yes |
| Map Notes: | KY 490 highlighted in red |
| Length Mi: | 18.997 |
| Length Ref: | [1] |
| Direction A: | South |
| Terminus A: | near East Bernstadt |
| Direction B: | North |
| Terminus B: | in Livingston |
| Counties: | Laurel, Rockcastle |
| Previous Type: | KY |
| Previous Route: | 489 |
| Next Type: | KY |
| Next Route: | 491 |
Kentucky Route 490 (KY 490) is a 18.997adj=midNaNadj=mid state highway in Kentucky that runs from U.S. Route 25 southwest of East Bernstadt to U.S. Route 25 again in Livingston via East Bernstadt.