| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Tagahashi | city | Niigata | Japan | 38.05 | 139.35 | 141 | 24447 |
| Tagirisu | city | Niigata | Japan | 37.91 | 138.29 | 183 | 4150 |
| Taguchi | city | Niigata | Japan | 36.88 | 138.21 | 1722 | 3813 |
| Taiko | city | Niigata | Japan | 38.35 | 139.55 | 308 | 471 |
| Tainai | city | Niigata | Japan | 38.07 | 139.37 | 157 | 25487 |
| Tainai-shi | city | Niigata | Japan | 38.07 | 139.37 | 157 | 25487 |
| Takachi | city | Niigata | Japan | 38.20 | 138.33 | 160 | 2185 |
| Takada | city | Niigata | Japan | 38.11 | 139.53 | 213 | 5454 |
| Takada | city | Niigata | Japan | 37.10 | 138.25 | 88 | 78559 |
| Takahashi | city | Niigata | Japan | 38.05 | 139.35 | 141 | 24447 |
| Takakura | city | Niigata | Japan | 37.37 | 139.03 | 984 | 4513 |
| Takamori | city | Niigata | Japan | 37.90 | 139.17 | 3 | 136185 |
| Takane | city | Niigata | Japan | 38.33 | 139.61 | 830 | 0 |
| Takasaki | city | Niigata | Japan | 37.90 | 138.29 | 295 | 4636 |
| Takasemachi | city | Niigata | Japan | 37.47 | 138.80 | 137 | 75573 |
| Takashima | city | Niigata | Japan | 37.11 | 138.72 | 830 | 23628 |
| Takata | city | Niigata | Japan | 37.10 | 138.25 | 88 | 78559 |
| Takayanagicho-okanomachi | city | Niigata | Japan | 37.22 | 138.64 | 830 | 6522 |
| Takayanagicho-tochigahara | city | Niigata | Japan | 37.20 | 138.64 | 830 | 4798 |
| Takayanagichō-ishiguro | city | Niigata | Japan | 37.19 | 138.57 | 830 | 6474 |
| Takayanagichō-kadoide | city | Niigata | Japan | 37.18 | 138.62 | 830 | 4423 |
| Takehira | city | Niigata | Japan | 37.17 | 138.55 | 984 | 5128 |
| Taketaira | city | Niigata | Japan | 37.17 | 138.55 | 984 | 5128 |
| Tamasaki | city | Niigata | Japan | 38.15 | 138.46 | 0 | 4004 |
| Tamugi | city | Niigata | Japan | 37.17 | 138.53 | 843 | 5374 |
| Tamugidate | city | Niigata | Japan | 37.05 | 138.55 | 1965 | 4151 |
| Tanasuhara | city | Niigata | Japan | 37.35 | 138.93 | 1669 | 6477 |
| Tanasuwara | city | Niigata | Japan | 37.35 | 138.93 | 1669 | 6477 |
| Tanesuhara | city | Niigata | Japan | 37.35 | 138.93 | 1669 | 6477 |
| Tanezuhara | city | Niigata | Japan | 37.35 | 138.93 | 1669 | 6477 |
| Tarodai | city | Niigata | Japan | 37.98 | 139.22 | 32 | 59567 |
| Tasawa | city | Niigata | Japan | 37.05 | 138.70 | 984 | 7563 |
| Tatsuma | city | Niigata | Japan | 37.99 | 138.53 | 3 | 3797 |
| Taya | city | Niigata | Japan | 37.28 | 138.55 | 328 | 13598 |
| Tazawa | city | Niigata | Japan | 37.65 | 139.54 | 1669 | 3647 |
| Tazawa | city | Niigata | Japan | 37.05 | 138.70 | 984 | 7563 |
| Tazawa | city | Niigata | Japan | 37.05 | 138.70 | 984 | 7563 |
| Temma | city | Niigata | Japan | 37.66 | 139.47 | 298 | 3377 |
| Temman | city | Niigata | Japan | 37.66 | 139.47 | 298 | 3377 |
| Tenma | city | Niigata | Japan | 37.66 | 139.47 | 298 | 3377 |
| Tenno | city | Niigata | Japan | 37.90 | 139.27 | 22 | 36401 |
| Terada | city | Niigata | Japan | 37.15 | 138.57 | 889 | 4392 |
| Teradomari | city | Niigata | Japan | 37.63 | 138.77 | 301 | 14894 |
| Teradomari-gobuichi | city | Niigata | Japan | 37.60 | 138.79 | 164 | 21130 |
| Teradomari-kōshimizu | city | Niigata | Japan | 37.63 | 138.77 | 301 | 14894 |
| Teradomari-nozumi | city | Niigata | Japan | 37.69 | 138.79 | 59 | 10615 |
| Teradomari-takemori | city | Niigata | Japan | 37.62 | 138.81 | 55 | 29749 |
| Teradomari-yamada | city | Niigata | Japan | 37.59 | 138.73 | 0 | 7950 |
| Tochibori | city | Niigata | Japan | 37.44 | 139.03 | 830 | 13238 |
| Tochihori | city | Niigata | Japan | 37.44 | 139.03 | 830 | 13238 |
| Tochikubomachi | city | Niigata | Japan | 37.47 | 138.95 | 830 | 45261 |
| Tochio | city | Niigata | Japan | 37.48 | 139.00 | 321 | 24707 |
| Tochio-honcho | city | Niigata | Japan | 37.48 | 139.00 | 321 | 24707 |
| Tochiomachi | city | Niigata | Japan | 37.48 | 139.00 | 321 | 24707 |
| Todoroki | city | Niigata | Japan | 37.17 | 138.81 | 830 | 21861 |
| Togami | city | Niigata | Japan | 37.13 | 138.07 | 377 | 3539 |
| Tokami | city | Niigata | Japan | 37.13 | 138.07 | 377 | 3539 |
| Tokuwahama | city | Niigata | Japan | 37.88 | 138.43 | 3 | 3341 |
| Tomaru | city | Niigata | Japan | 37.03 | 138.66 | 830 | 8412 |
| Tomaru-honson | city | Niigata | Japan | 37.03 | 138.66 | 830 | 8412 |
| Tonami | city | Niigata | Japan | 37.00 | 137.73 | 830 | 4474 |
| Tonooka | city | Niigata | Japan | 38.19 | 139.48 | 121 | 29181 |
| Torigoe | city | Niigata | Japan | 37.47 | 138.77 | 134 | 60375 |
| Toriya | city | Niigata | Japan | 38.14 | 139.44 | 65 | 21728 |
| Toya | city | Niigata | Japan | 37.07 | 138.83 | 1669 | 13033 |
| Toyano | city | Niigata | Japan | 37.88 | 139.03 | 3 | 180682 |
| Toyokawa | city | Niigata | Japan | 37.62 | 139.46 | 830 | 2004 |
| Tsubaki | city | Niigata | Japan | 38.13 | 138.44 | 0 | 4555 |
| Tsubame | city | Niigata | Japan | 37.66 | 138.93 | 13 | 93808 |
| Tsubame-chhī | city | Niigata | Japan | 37.66 | 138.93 | 13 | 93808 |
| Tsubame-shi | city | Niigata | Japan | 37.66 | 138.93 | 13 | 93808 |
| Tsubamemachi | city | Niigata | Japan | 37.66 | 138.93 | 13 | 93808 |
| Tsuboana | city | Niigata | Japan | 38.05 | 139.48 | 830 | 11372 |
| Tsubono | city | Niigata | Japan | 37.34 | 138.77 | 311 | 28612 |
| Tsuchidaru | city | Niigata | Japan | 36.92 | 138.85 | 1669 | 6522 |
| Tsuchizukuri | city | Niigata | Japan | 38.08 | 139.41 | 108 | 26499 |
| Tsugawa | city | Niigata | Japan | 37.68 | 139.46 | 265 | 3600 |
| Tsuiji | city | Niigata | Japan | 38.06 | 139.36 | 157 | 21933 |
| Tsukanoyama | city | Niigata | Japan | 37.35 | 138.72 | 318 | 15079 |
| Tsukefunecho | city | Niigata | Japan | 37.94 | 139.05 | 3 | 119894 |
| Tsukefunocho | city | Niigata | Japan | 37.94 | 139.05 | 3 | 119894 |
| Tsukifuse | city | Niigata | Japan | 38.03 | 138.55 | 0 | 3502 |
| Tsutsuishi | city | Niigata | Japan | 37.14 | 138.06 | 328 | 3374 |
| Tōka | city | Niigata | Japan | 37.13 | 138.77 | 830 | 37932 |
| Tōkamachi | city | Niigata | Japan | 37.13 | 138.77 | 830 | 37932 |
| Tōkamachi-shi | city | Niigata | Japan | 37.13 | 138.77 | 830 | 37932 |