West Virginia Route 9 (WV 9) is a major east–west state highway located in the eastern extents of West Virginia's Eastern Panhandle. The western terminus of the route is at the Maryland state line on the north edge of Paw Paw, where WV 9 becomes Maryland Route 51 (MD 51) upon crossing the Potomac River. The eastern terminus is at the Virginia state line at Keyes Gap near Mannings, West Virginia, where WV 9 continues onward as Virginia State Route 9 (SR 9).

Paw Paw is a town in Morgan County, West Virginia, United States. The population was 410 at the 2020 census. The town is known for the nearby Paw Paw Tunnel. Paw Paw was incorporated by the Circuit Court of Morgan County on April 8, 1891, and named after pawpaw, a wild fruit that grows in abundance throughout this region. Paw Paw is the westernmost incorporated community in Morgan County, and the Hagerstown-Martinsburg, MD-WV Metropolitan Statistical Area.