| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Tamworth | city | New Hampshire | United States | 43.86 | -71.26 | 830 | |
| Tanglewood Estates | city | New Hampshire | United States | 42.96 | -72.31 | 830 | |
| Tappan Corners | city | New Hampshire | United States | 42.91 | -70.99 | 147 | |
| Tavern Village | city | New Hampshire | United States | 43.04 | -71.70 | 830 | |
| Temple | city | New Hampshire | United States | 42.82 | -71.85 | 948 | |
| The Five Corners | city | New Hampshire | United States | 42.94 | -70.82 | 36 | |
| The Glen | city | New Hampshire | United States | 45.10 | -71.26 | 1669 | |
| The Hand | city | New Hampshire | United States | 44.88 | -71.09 | 1669 | |
| The Ledges | city | New Hampshire | United States | 43.54 | -71.45 | 830 | |
| The Plains | city | New Hampshire | United States | 43.46 | -71.55 | 830 | |
| The Plantation | city | New Hampshire | United States | 42.93 | -70.81 | 6 | |
| The Village of Loon Mountain | city | New Hampshire | United States | 44.06 | -71.63 | 1171 | |
| The Willows | city | New Hampshire | United States | 42.91 | -70.82 | 3 | |
| Thomas | city | New Hampshire | United States | 42.75 | -72.04 | 1187 | |
| Thompson Corner | city | New Hampshire | United States | 43.40 | -71.72 | 830 | |
| Thornton | city | New Hampshire | United States | 43.89 | -71.68 | 830 | |
| Thorntons Ferry | city | New Hampshire | United States | 42.84 | -71.49 | 98 | |
| Tilton | city | New Hampshire | United States | 43.44 | -71.59 | 830 | |
| Tinkerville | city | New Hampshire | United States | 44.27 | -71.94 | 915 | |
| Tinkerville | city | New Hampshire | United States | 44.78 | -71.58 | 1253 | |
| Toneys Mobile Park | city | New Hampshire | United States | 44.30 | -71.75 | 898 | |
| Towles Corner | city | New Hampshire | United States | 42.90 | -70.93 | 98 | |
| Town Hall Corner | city | New Hampshire | United States | 42.92 | -70.87 | 42 | |
| Town House | city | New Hampshire | United States | 43.44 | -70.98 | 830 | |
| Trapshire | city | New Hampshire | United States | 43.20 | -72.44 | 291 | |
| Tripoli Mill | city | New Hampshire | United States | 44.00 | -71.58 | 2509 | |
| Troy | city | New Hampshire | United States | 42.82 | -72.18 | 1013 | |
| Tuftonboro | city | New Hampshire | United States | 43.70 | -71.22 | 987 | |
| Twin Lakes Village | city | New Hampshire | United States | 43.44 | -72.01 | 1243 | |
| Twin Mountain | city | New Hampshire | United States | 44.27 | -71.54 | 1669 | |
| Tyler | city | New Hampshire | United States | 43.23 | -71.69 | 830 |