Fairbury
- Country: United States
- State: Nebraska
- Population: 3,714 (2016)
- Latitude: 40° 8.2' N (40.13722°)
- Longitude: 97° 10.8' W (-97.18059°)
- Elevation: 404 m/1,325 ft. above sea level
- Time zone: America/Chicago (UTC -06:00); DST observed (UTC -05:00)