Sunbury
- Country: United States
- State: Pennsylvania
- Population: 9,571 (2016)
- Latitude: 40° 51.8' N (40.86259°)
- Longitude: 76° 47.7' W (-76.79441°)
- Elevation: 142 m/467 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)
- Alternate names: Shamokin, Simsbury