Kentucky Route 34 (KY 34) is a 34.6 mi (55.7 km) long, east–west, 2-lane, state highway in Kentucky managed by the Kentucky Transportation Cabinet.

KY 34 begins at US 68 near Mitchellsburg and goes though Boyle and Garrard counties before terminating at US 27 east of Danville. It serves as a primary connector between Danville and Lexington.

KY 34 has other names along its path:

The eastern terminus of KY 34 will move west about .2 mi (0.3 km) because of rerouting and widening of U.S. 27.

A new route (KY 2168) is planned to connect KY 34 and KY 33 northeast of Danville.