| Jack | community in NE Warren County. Post office est. there in 1901, but discontinued in 1905. Due to a shift in population, the community is dwindling, and the name is not widely known. |
| Jack Bradley Branch | rises in N Swain County and flows S into Beech Flats Prong. |
| Jack Cabin Branch | rises in S Jones County and flows NW into Trent River. |
| Jack Cove | NW Jackson County, formerly Schuler Cove. In 1956, on a 5,000-acre tract there, R. H. Kress est. the Jack Kress School and renamed Schuler Cove in honor of his late son. Operated as a trade school, there is a model farm and nursery; classes in forestry and various trades are conducted. |
| Jack Creek | rises in central Beaufort County and flows E into Nevil Creek. |
| Jack Creek | rises in E Beaufort County and flows NW into Pungo Creek. |
| Jack Creek | rises in NW Jackson County and flows SW into Tuckasegee River. |
| Jack Gap | central Buncombe County between Pine Knob and Bartlett Mountain. |
| Jack Island Swamp | W Duplin County on Nahunga Creek. |
| Jack Knob | E Macon County between Passmore Knob and Watauga Creek. |