Clayton is an unincorporated community in Summers County, West Virginia, United States.

Clayton is located on the Righthand Fork of Hungart's Creek, a branch of the Greenbrier River.

[6][7] The nearest incorporated town is Alderson, in neighboring Greenbrier and Monroe Counties, which is 5.6 miles (9.0 km) east of Clayton.

The first settlers of Clayton practiced an agricultural lifestyle, but lumber became a prominent industry after the Chesapeake and Ohio Railway opened a branch near the community.

This line also carries Amtrak's Cardinal service; its nearest stop to Clayton is in Alderson.