West Virginia Route 635 is a north–south state highway located in McDowell County, West Virginia.

The southern terminus is at the Virginia state line south of Jolo, where the road continues south as State Route 635, a secondary state highway.

The northern terminus of the route is at West Virginia Route 83 in Jolo.

The entire route is in McDowell County.

This West Virginia road or road transport-related article is a stub.