| State: | KY |
| Type: | KY |
| Route: | 115 |
| Map Custom: | yes |
| Length Mi: | 16.724 |
| Length Ref: | [1] |
| Established: | 1929[2] [3] |
| Direction A: | South |
| Terminus A: | Pembroke Road (to) at the Kentucky–Tennessee state line |
| Junction: | in Oak Grove in Pembroke |
| Direction B: | North |
| Terminus B: | at Fairview |
| Counties: | Christian, Todd |
| Previous Type: | KY |
| Previous Route: | 114 |
| Next Type: | KY |
| Next Route: | 116 |
Kentucky Route 115 (KY 115) is a 16.724adj=midNaNadj=mid state highway in Kentucky. It runs from Pembroke Road at the Tennessee–Kentucky state line in Oak Grove to U.S. Route 68 Alt. at Fairvew via Pembroke.
A locally maintained road in Montgomery County, Tennessee, becomes KY 115 at the Kentucky–Tennessee state line at Oak Grove. It has a junction with Interstate 24 (I-24) at exit 89 just north of Oak Grove, and then intersects KY 109 just north of that interchange.
It crosses US 41 at Pembroke, and continues northeast to terminate at a junction with U.S. Route 68 Alt. right on the Todd County line in the shadow of the Jefferson Davis Monument.