| Deep Creek | |
| Name Other: | Tributary to Nanticoke River |
| Map Size: | 180 |
| Map Alt: | Deep Creek |
| Pushpin Map: | Delaware#USA |
| Pushpin Map Size: | 180 |
| Pushpin Map Caption: | Location of Deep Creek mouth |
| Pushpin Map Alt: | Location of Deep Creek mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Delaware |
| Subdivision Type3: | County |
| Subdivision Name3: | Sussex |
| Length: | 14miles[1] |
| Discharge1 Avg: | 78.25cuft/s at mouth with Nanticoke River[2] |
| Source1: | divide between Deep Creek and Broadkill River in Redden State Forest |
| Source1 Location: | Redden Crossroads, Delaware |
| Source1 Coordinates: | 38.7336°N -75.4197°W[3] |
| Source1 Elevation: | 42feet[4] |
| Mouth: | Nanticoke River |
| Mouth Location: | Seaford, Delaware |
| Mouth Coordinates: | 38.7442°N -75.5883°W |
| Mouth Elevation: | 0feet |
| Progression: | Nanticoke River → Chesapeake Bay → Atlantic Ocean |
| River System: | Nanticoke River |
| Tributaries Left: | Mifflin Ditch McColleys Branch Rum Bridge Branch Tyndall Branch Baker Mill Branch Tubbs Branch |
| Tributaries Right: | Shorts Ditch |
| Waterbodies: | Concord Pond |
Deep Creek is a 14adj=midNaNadj=mid tributary of the Nanticoke River that rises in the Redden area and flows southwest towards Seaford, Delaware.