Denniston is an unincorporated community in Menifee County, Kentucky, United States.

It lies along U.S. Route 460 and Kentucky Route 746, southeast of the city of Frenchburg, the county seat of Menifee County.

[3] Denniston is part of the Mount Sterling Micropolitan Statistical Area.

The community was named for its first postmaster, Joseph C.

This Menifee County, Kentucky state location article is a stub.