Underwood
- Country: United States
- State: North Dakota
- Population: 771 (2016)
- Latitude: 47° 27.4' N (47.45639°)
- Longitude: 101° 8.2' W (-101.1371°)
- Elevation: 616 m/2,021 ft. above sea level
- Time zone: America/Chicago (UTC -06:00); DST observed (UTC -05:00)