State Route 83 is a short north–south highway in DeKalb County, Tennessee. The road begins near Bluhmtown and ends north of Smithville. The current length is 7.85 mi (12.6 km).

The highway begins at SR-146 in Bluhmtown. It proceeds north as New Home Road and intersects with Highway 70 west of Smithville. After the intersection, SR-83 becomes Allen Ferry Road and goes east-northeastward to its northern terminus at SR-56 in northern Smithville.