| Poplar Cove Gap | central Macon County between the head of Mill Creek and Trimont Ridge. |
| Poplar Cove Knob | W Jackson County between Big Cove and Savannah Creek. |
| Poplar Cove Knob | S Macon County between Commissioner Creek and the Georgia state line. |
| Poplar Creek | rises in N Onslow County and flows S into Little Northeast Creek. Mentioned in local records as early as 1744 as Poplar Swamp. |
| Poplar Creek | rises in N Transylvania County S of Fryingpan Gap and flows SE into South Fork Mills River. |
| Poplar Creek | rises in W Vance County and flows SW into E Granville County, where it enters Tabbs Creek. |
| Poplar Creek | rises in E Wake County and flows S into Neuse River. |
| Poplar Gap | E Haywood County between Sheep Mountain and Glade Mountain. |
| Poplar Grove | community in N Polk County. A post office operated there, 1875-1908. |
| Poplar Grove | community in NE Sampson County. |