Marshfield
- Country: United States
- State: Missouri
- Population: 7,245 (2016)
- Latitude: 37° 20.3' N (37.33866°)
- Longitude: 92° 54.4' W (-92.90712°)
- Elevation: 454 m/1,491 ft. above sea level
- Time zone: America/Chicago (UTC -06:00); DST observed (UTC -05:00)