| State: | KY |
| Type: | KY |
| Route: | 3174 |
| Map Custom: | yes |
| Map Notes: | Open section in red |
| Length Mi: | 7.839 |
| Length Ref: | [1] |
| Direction A: | West |
| Terminus A: | in Yeager |
| Direction B: | East |
| Terminus B: | in Wolfpit |
| Counties: | Pike |
| Previous Type: | KY |
| Previous Route: | 3173 |
| Next Type: | KY |
| Next Route: | 3175 |
Kentucky Route 3174 (KY 3174) is a 7adj=midNaNadj=mid state highway in the U.S. state of Kentucky. The highway connects U.S. Route 23 in Yeager with Wolfpit, with extensions underway to the Virginia state line near Breaks. In the future, upon completion of the Virginia segment and the connection to U.S. Route 121, KY 3174 will be redesignated U.S. Route 460.