Kentucky Route 393
KY 393 highlighted in red
Route information
Maintained by KYTC
Length	10.056 mi[1] (16.184 km)
Major junctions
South end	KY 1818 near Centerfield
Major intersections	KY 22 near Centerfield I-71 near Buckner KY 146 in Buckner
North end	US 42 near Buckner
Location
Country	United States
State	Kentucky
Counties	Oldham
Highway system
Kentucky State Highway System Interstate US State Parkways
← KY 392 → KY 394

Kentucky Route 393 (KY 393) is a 5.325-mile-long (8.570 km) state highway in Oldham County, Kentucky, that runs from Kentucky Route 1818 southeast of Centerfield to U.S. Route 42 north of Buckner.

Its northern terminus is US 42. From there it continues 5.5 miles (8.9 km) south to a 0.04-mile (0.064 km) overlap with KY 146 in Buckner. It then splits south to continue for 2.5 miles (4.0 km) where it junctions KY 22 near Centerfield. It follows KY 22 east for 1-mile (1.6 km) until it splits to the south. It continues 1.5 miles (2.4 km) south and then terminates at Mount Zion Road. There are no low clearances or weight limits on this particular state route. As of 2009, this route has been relocated and improved. From the interchange of Interstate 71, it has been widened to three lanes with a center turn lane. It has been improved to the junction of State Route 22.

The entire route is in Oldham County.

Location	mi[1]	km	Destinations	Notes
​	0.000	0.000	KY 1818 (Mt. Zion Road)	Southern terminus
​	2.562	4.123	KY 22 east	South end of KY 22 overlap
​	3.517	5.660	KY 22 west	North end of KY 22 overlap
​	4.916	7.912	KY 2856 east (Elder Park Road) / Firethorn Drive	Western terminus of KY 2856
Buckner	5.442– 5.566	8.758– 8.958	I-71 – Louisville, Cincinnati	I-71 exit 18
	6.132	9.868	KY 146 east	South end of KY 146 overlap
	6.353	10.224	KY 146 west	North end of KY 146 overlap
​	11.232	18.076	US 42	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus