Summersville
- Country: United States
- State: West Virginia
- Population: 3,434 (2016)
- Latitude: 38° 16.9' N (38.28122°)
- Longitude: 80° 51.2' W (-80.8526°)
- Elevation: 573 m/1,879 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)
- Alternate names: Nicholas Court House, Somerville