| Stoney Branch | |
| Name Other: | Tributary to Tyndall Branch |
| Map Size: | 180 |
| Map Alt: | Map of Stoney Branch mouth |
| Pushpin Map: | Delaware#USA |
| Pushpin Map Size: | 180 |
| Pushpin Map Alt: | Location of Stoney Branch mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Delaware |
| Subdivision Type3: | County |
| Subdivision Name3: | Sussex |
| Length: | 4.3miles[1] |
| Discharge1 Avg: | 9.63cuft/s at mouth with Tyndall Branch[2] |
| Source1: | Sheep Pen Ditch divide |
| Source1 Location: | about 1 mile southeast of Whaleys Crossroads |
| Source1 Coordinates: | 38.6392°N -75.4697°W[3] |
| Source1 Elevation: | 55feet[4] |
| Mouth: | Tyndall Branch |
| Mouth Location: | about 0.5 miles north of Hardscrabble |
| Mouth Coordinates: | 38.6233°N -75.4781°W |
| Mouth Elevation: | 30feet |
| Progression: | northwest |
| River System: | Nanticoke River |
| Tributaries Left: | Big Mill Branch |
| Tributaries Right: | unnamed tributaries |
| Bridges: | US 9 Asbury Road |
Stoney Branch is a 4.3miles long 3rd order tributary to Tyndall Branch, in Sussex County, Delaware.
According to the Geographic Names Information System, it has also been known historically as:[3]
Stoney Branch rises on the Sheep Pen Ditch divide about 1 mile southeast of Whaleys Crossroads in Sussex County, Delaware. Stoney Branch then flows southwest to meet Tyndall Branch about 0.5 miles north of Hardscrabble.[4]
Stoney Branch drains of area, receives about 45.1 in/year of precipitation, has a topographic wetness index of 722.14 and is about 14.03% forested.[2]