| Flat Branch | See Oak Summit. |
| Flat Branch | See Sweetwater Creek. |
| Flat Branch Gap | on the Jackson-Macon county line. |
| Flat Creek | rises in N Buncombe County near Watershed Ridge and flows SW into French Broad River. |
| Flat Creek | rises in NE Buncombe County and flows SW through Montreat into Swannanoa River. |
| Flat Creek | rises in SE Buncombe County and flows SE into Broad River. Appears as Upper Flat Creek on recent highway maps. |
| Flat Creek | rises in E Granville County and flows NE into Vance County, where it enters Nutbush Creek. |
| Flat Creek | rises on the Fort Bragg Military Reservation in N Hoke County and flows NE into Little River. |
| Flat Creek | rises in S Jackson County and flows N into Bear Creek Lake on the Tuckasegee River. |
| Flat Creek | rises in SW Jackson County and flows N into Mill Creek. |