Kentucky Route 85 (KY 85) is a 33.150-mile-long (53.350 km) state highway in Kentucky that runs from Kentucky Route 70 east of Madisonville to U.S. Route 62 northeast of Rockport via Sacramento and Centertown.

Next, it makes another terminus at KY 2226 it then enters the town of Island and making junctions with KY 85 Bus.

Finally it passes into the Ohio County.

It then enters the town of Centertown making a concurrency with KY 69.

After that it turns into a rural secondary highway and also making the northern terminus of KY 1903.