| Tanyard Branch | |
| Name Other: | Tributary to Marshyhope Creek |
| Map Size: | 300 |
| Pushpin Map: | Maryland#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of Tanyard Branch mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Maryland Delaware |
| Subdivision Type3: | Counties |
| Subdivision Name3: | Caroline Sussex |
| Length: | 4.96miles[1] |
| Discharge1 Location: | Marshyhope Creek |
| Discharge1 Avg: | 5.79cuft/s at mouth with Marshyhope Creek[2] |
| Source1: | divide between Tanyard Branch and Bucks Branch of Clear Brook Creek |
| Source1 Location: | about 2 miles southwest of Atlanta, Delaware[3] |
| Source1 Coordinates: | 38.695°N -75.6906°W[4] |
| Source1 Elevation: | 50feet |
| Mouth: | Marshyhope Creek |
| Mouth Location: | Federalsburg, Maryland |
| Mouth Coordinates: | 38.6864°N -75.7725°W |
| Mouth Elevation: | 5feet |
| Progression: | Marshyhope Creek → Nanticoke River → Chesapeake Bay → Atlantic Ocean |
| River System: | Nanticoke River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
| Waterbodies: | Lake Chambers |
Tanyard Branch is a 4.96miles long tributary to Marshyhope Creek that rises in western Sussex County, Delaware and flows west into Caroline County, Maryland.