| State: | KY |
| Type: | KY |
| Route: | 89 |
| Map Custom: | yes |
| Map Notes: | KY 89 highlighted in red |
| Length Mi: | 73.355 |
| Length Round: | 3 |
| Length Ref: | [1] |
| Direction A: | South |
| Terminus A: | KY 490 near Livingston |
| Direction B: | North |
| Terminus B: | KY 627 in Winchester |
| Counties: | Rockcastle, Jackson, Estill, Clark |
| Previous Type: | KY |
| Previous Route: | 88 |
| Next Type: | KY |
| Next Route: | 90 |
Kentucky Route 89 (KY 89) is a 73.355adj=midNaNadj=mid north–south two-lane state highway that runs from Kentucky Route 490 east of Livingston to Kentucky Route 627 in Winchester in the U.S. state of Kentucky. The highway goes through McKee, Irvine.
The route intersects with U.S. Route 421, Kentucky Route 52, Kentucky Route 499, Kentucky Route 974, and U.S. Route 60.