Clarksburg
- Country: United States
- State: West Virginia
- Population: 16,035 (2016)
- Latitude: 39° 16.8' N (39.28065°)
- Longitude: 80° 20.7' W (-80.34453°)
- Elevation: 304 m/997 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)
- Alternate names: Clarkes Town, Clarkesburg, Clarkesburgh