Kentucky Route 19 is a 19.88-mile state highway in Kentucky that runs from US 62 at the Harrison/Bracken county line to KY 8 in Augusta.

KY 19 stradles the Harrison/Bracken county line for one of two miles before the county line shifts toward the west and KY 19 fully enters Bracken County. Southwest of Brooksville, KY 19 joins KY 10 toward Brooksville. KY 19 leaves KY 10 in Brooksville and KY 19 continues north junctioning with KY 9/AA Highway before entering Augusta and ending at KY 8.