Greenwood
- Country: United States
- State: Delaware
- Population: 1,085 (2016)
- Latitude: 38° 48.4' N (38.80706°)
- Longitude: 75° 35.5' W (-75.59132°)
- Elevation: 14 m/46 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)
- Alternate names: Saint Johnstown