Lock Haven
- Country: United States
- State: Pennsylvania
- Population: 9,549 (2016)
- Latitude: 41° 8.2' N (41.13701°)
- Longitude: 77° 26.8' W (-77.44693°)
- Elevation: 171 m/561 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)