Kentucky Route 77 (KY 77) is a 14.221-mile (22.886 km) long state highway in Kentucky that runs from Kentucky Route 11 and Kentucky Route 15 northwest of Slade to U.S. Route 460 southeast of Frenchburg.

Major intersections

County	Location	mi	km	Destinations	Notes
Powell	​	0.000	0.000	KY 11 / KY 15 (Campton Road)	Southern terminus
Menifee	​	5.089	8.190	KY 715 south (Sky Bridge Road)	Northern terminus of KY 715
	​	14.221	22.886	US 460	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi