| State: | KY |
| Type: | KY |
| Route: | 56 |
| Map Custom: | yes |
| Map Notes: | KY 56 highlighted in red |
| Length Mi: | 61.503 |
| Length Ref: | [1] |
| Direction A: | West |
| Terminus A: | near Old Shawneetown, IL |
| Junction: |
|
| Direction B: | East |
| Terminus B: | near Owensboro |
| Counties: | Union, Webster, McLean, Daviess |
| Previous Type: | KY |
| Previous Route: | 55 |
| Next Type: | KY |
| Next Route: | 57 |
Kentucky Route 56 (KY 56) is a 61.503adj=midNaNadj=mid state highway in Kentucky that runs from Illinois Route 13 (IL 13) near Old Shawneetown, Illinois, on the Shawneetown Bridge at the Kentucky-Illinois state line to KY 81 near Owensboro via Morgantown and Sebree.