Clay
- Country: United States
- State: West Virginia
- Population: 464 (2016)
- Latitude: 38° 27.6' N (38.46038°)
- Longitude: 81° 5.1' W (-81.08511°)
- Elevation: 216 m/708 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)
- Alternate names: Clay Court House, Clay Town, Claytown, Henry, Marshall