| Thaxton | community in NW Ashe County. Alt. approx. 3,700. |
| Thelma | community in NW Halifax County near Roanoke River and S of the site of the old town of Gaston, which see. The town of South Gaston, which see, was chartered in 1895, but the charter was repealed in 1907. Alt. 224. |
| Theoff Point | projection from S Bodie Island into Roanoke Sound, E Dare County approx. ½ mi. N of Cedar Island. |
| Thermal Belt | (also called Isothermal Belt), verdant zone largely in Polk and Rutherford Counties—though to a lesser extent also in Caldwell, Mitchell, and other mountain counties—in which on certain cool nights, the temperature may be 20° or more higher on the slope of a mountain than at the base. In these areas, fruit growing is a successful undertaking, and at Tryon (Polk County) the thermal belt has contributed to resort prosperity. The thermal belt was first described by Silas McDowell in 1858. |
| Thermal City | community in N Rutherford County on Second Broad River. A post office est. there in 1888 was named Pescud; name changed to Thermal City for the Thermal Belt, which see, in 1891. Post office discontinued 1926. |
| Thermo Knob | W Haywood County in Great Smoky Mountains National Park on Balsam Mountain near lat. 35°41'39" N., long. 83°13'34" W. Alt. 6,120. Formerly known as Thermometer Knob. |
| Theta | community in NE Madison County served by post office, 1886-1900. |
| Thicket Branch | rises in NE Swain County and flows SW into Right Fork [Raven Fork]. |
| Thickety Creek | rises in E Haywood County and flows S into Pigeon River. |
| Thickety Creek | rises in S Montgomery County and flows SW into Little River. |