| State: | KY |
| Type: | KY |
| Route: | 2872 |
| Map Custom: | yes |
| Map Notes: | KY 2872 highlighted in red |
| Previous Type: | KY |
| Previous Route: | 2871 |
| Next Type: | KY |
| Next Route: | 2873 |
| Alternate Name: | Duncannon Lane |
| Length Mi: | 4.3 |
| Direction A: | West |
| Direction B: | East |
| End A: | north of Berea |
| End B: | south of Richmond |
Kentucky Route 2872 (KY 2872) is a 4.3adj=midNaNadj=mid state highway entirely within Madison County in the U.S. state of Kentucky. The road is known as Duncannon Lane for its entire length and has an interchange with Interstate 75 (I-75) at exit 83.