| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Thiard | city | Idaho | United States | 47.62 | -115.91 | 3349 | |
| Thibodaux | city | Louisiana | United States | 29.80 | -90.82 | 9 | |
| Thibodaux Junction | city | Louisiana | United States | 29.75 | -90.80 | 6 | |
| Thibodeaux Mobile Home Park | city | Louisiana | United States | 30.25 | -92.17 | 32 | |
| Thibodeaux Mobile Home Park | city | Louisiana | United States | 30.06 | -91.90 | 29 | |
| Thibodeaux Mobile Home Park | city | Louisiana | United States | 30.24 | -92.10 | 32 | |
| Thick | city | Tennessee | United States | 35.66 | -86.73 | 830 | |
| Thicket | city | Texas | United States | 30.40 | -94.63 | 111 | |
| Thicketty | city | South Carolina | United States | 35.02 | -81.72 | 830 | |
| Thida | city | Arkansas | United States | 35.57 | -91.48 | 249 | |
| Thief River Falls | city | Minnesota | United States | 48.12 | -96.18 | 1102 | |
| Thiel | city | Arkansas | United States | 34.25 | -92.62 | 206 | |
| Thiel | city | Washington | United States | 46.14 | -118.49 | 830 | |
| Thiells | city | New York | United States | 41.21 | -74.02 | 298 | |
| Thielman Crossroads | city | Pennsylvania | United States | 40.70 | -80.05 | 1095 | |
| Thiels West Trailer Court | city | Montana | United States | 48.55 | -109.75 | 2598 | |
| Thiensville | city | Wisconsin | United States | 43.24 | -87.98 | 830 | |
| Thigpen | city | Georgia | United States | 33.52 | -82.63 | 830 | |
| Third Cliff | city | Massachusetts | United States | 42.18 | -70.72 | 3 | |
| Third Creek | city | Tennessee | United States | 35.97 | -84.00 | 967 | |
| Third Crossing | city | Texas | United States | 29.54 | -99.71 | 1669 | |
| Third Crossing | city | Texas | United States | 29.80 | -98.16 | 948 | |
| Third Haven Heights | city | Maryland | United States | 38.78 | -76.09 | 3 | |
| Third Hidalgo Colonia | city | Texas | United States | 27.97 | -97.41 | 49 | |
| Third Lake | city | Illinois | United States | 42.37 | -88.01 | 830 | |
| Third Rancho Chico Addition Colonia | city | Texas | United States | 28.03 | -97.50 | 52 | |
| Third Ward | city | North Carolina | United States | 35.23 | -80.85 | 830 | |
| Third and M Townhouse Condominium | city | Utah | United States | 40.77 | -111.87 | 4537 | |
| Thirteen Forks | city | Georgia | United States | 34.21 | -82.93 | 830 | |
| Thirteen Points Landing | city | Louisiana | United States | 32.96 | -92.09 | 52 | |
| Thirteenth Avenue | city | Utah | United States | 40.78 | -111.87 | 5029 | |
| Thirteenth South | city | Utah | United States | 40.88 | -111.88 | 4494 | |
| Thirty | city | Iowa | United States | 40.70 | -92.87 | 1020 | |
| Thirtyfour Corner | city | Missouri | United States | 36.78 | -89.21 | 308 | |
| Thirtymile | city | Oregon | United States | 45.17 | -120.16 | 2509 | |
| Thirtynine (historical) | city | Alabama | United States | 34.46 | -86.01 | 1171 | |
| Thiry Daems | city | Wisconsin | United States | 44.60 | -87.69 | 830 | |
| Thisby | city | Nevada | United States | 39.59 | -119.42 | 4281 | |
| Thistle | city | Maryland | United States | 39.25 | -76.77 | 190 | |
| Thistle | city | Utah | United States | 39.99 | -111.50 | 5124 | |
| Thistledown | city | Colorado | United States | 37.99 | -107.70 | 10068 | |
| Thivener | city | Ohio | United States | 38.74 | -82.25 | 898 | |
| Thixton | city | Kentucky | United States | 38.10 | -85.57 | 830 |