| Green Spring Branch | |
| Name Other: | Tributary to Duck Creek |
| Map Size: | 180 |
| Map Alt: | Map of Green Spring Branch mouth |
| Pushpin Map: | Delaware#USA |
| Pushpin Map Size: | 180 |
| Pushpin Map Alt: | Location of Green Spring Branch mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Delaware |
| Subdivision Type3: | County |
| Subdivision Name3: | New Castle |
| Subdivision Type4: | City |
| Subdivision Name4: | Smyrna |
| Length: | 2.91miles[1] |
| Discharge1 Avg: | 5.07cuft/s at mouth with Duck Creek[2] |
| Source1: | Sawmill Branch divide |
| Source1 Location: | about 1 northeast of Green Spring, Delaware |
| Source1 Coordinates: | 39.3364°N -75.6494°W[3] |
| Source1 Elevation: | 50feet[4] |
| Mouth: | Duck Creek (Duck Creek Pond) |
| Mouth Location: | Smyrna, Delaware |
| Mouth Coordinates: | 39.3081°N -75.5447°W |
| Mouth Elevation: | 0feet |
| Progression: | southeast |
| River System: | Smyrna River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | Massey Branch |
| Bridges: | Clark Farm Road, Vandyke Greenspring Road |
Green Spring Branch is a 2.91miles long 2nd order tributary to Duck Creek in New Castle County, Delaware.
Green Spring Branch rises on the Sawmill Branch divide about 1 mile northeast of Green Spring, Delaware.[4]
Green Spring Branch drains of area, receives about 44.3 in/year of precipitation, has a topographic wetness index of 605.67 and is about 4.9% forested.[2]