| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Templearum | city | Kilkenny | Ireland | 52.38 | -7.30 | 321 | 2386 |
| Tennislee Cross Roads | city | Kilkenny | Ireland | 52.34 | -7.30 | 32 | 3281 |
| The Grove | city | Kilkenny | Ireland | 52.60 | -7.02 | 246 | 2352 |
| The Rower | city | Kilkenny | Ireland | 52.46 | -6.96 | 305 | 2957 |
| The Sweep | city | Kilkenny | Ireland | 52.37 | -7.33 | 131 | 3970 |
| The Three Bridges | city | Kilkenny | Ireland | 52.35 | -7.38 | 49 | 7509 |
| Thomastown | city | Kilkenny | Ireland | 52.53 | -7.14 | 164 | 2981 |
| Thornpack | city | Kilkenny | Ireland | 52.69 | -7.27 | 223 | 15880 |
| Tibberagany | city | Kilkenny | Ireland | 52.35 | -7.35 | 13 | 6425 |
| Tigh an Bhábhúin | city | Kilkenny | Ireland | 52.51 | -7.24 | 255 | 2029 |
| Tigh na Liontán | city | Kilkenny | Ireland | 52.81 | -7.32 | 396 | 2327 |
| Tigh na Reanna | city | Kilkenny | Ireland | 52.42 | -6.98 | 59 | 7477 |
| Tigh na Scoile | city | Kilkenny | Ireland | 52.45 | -6.94 | 55 | 4449 |
| Tikerlemin | city | Kilkenny | Ireland | 52.55 | -7.01 | 830 | 2139 |
| Tincashel Cross Roads | city | Kilkenny | Ireland | 52.71 | -7.56 | 830 | 2259 |
| Tinnalintan | city | Kilkenny | Ireland | 52.81 | -7.32 | 396 | 2327 |
| Tinnaranny | city | Kilkenny | Ireland | 52.42 | -6.98 | 59 | 7477 |
| Tinnascolly | city | Kilkenny | Ireland | 52.45 | -6.94 | 55 | 4449 |
| Tinnaslaty | city | Kilkenny | Ireland | 52.43 | -6.94 | 19 | 8379 |
| Tinvaun | city | Kilkenny | Ireland | 52.51 | -7.24 | 255 | 2029 |
| Tobernabrone | city | Kilkenny | Ireland | 52.35 | -7.26 | 295 | 2370 |
| Toortane | city | Kilkenny | Ireland | 52.86 | -7.15 | 830 | 2365 |
| Tower Bridge | city | Kilkenny | Ireland | 52.72 | -7.27 | 249 | 3641 |
| Trenchmore | city | Kilkenny | Ireland | 52.51 | -7.41 | 364 | 2725 |
| Tubbrid | city | Kilkenny | Ireland | 52.71 | -7.49 | 830 | 1424 |
| Tulach Ruáin | city | Kilkenny | Ireland | 52.66 | -7.44 | 830 | 1364 |
| Tulachar | city | Kilkenny | Ireland | 52.43 | -7.05 | 314 | 1347 |
| Tulaigh an Bhuailte | city | Kilkenny | Ireland | 52.77 | -7.57 | 830 | 2095 |
| Tullach Ruain | city | Kilkenny | Ireland | 52.66 | -7.44 | 830 | 1364 |
| Tullagher | city | Kilkenny | Ireland | 52.43 | -7.05 | 314 | 1347 |
| Tullaghought | city | Kilkenny | Ireland | 52.42 | -7.36 | 830 | 1727 |
| Tullaherin | city | Kilkenny | Ireland | 52.58 | -7.12 | 229 | 2663 |
| Tullamaine | city | Kilkenny | Ireland | 52.57 | -7.35 | 249 | 2557 |
| Tullanvoolty | city | Kilkenny | Ireland | 52.77 | -7.57 | 830 | 2095 |
| Tullaroan | city | Kilkenny | Ireland | 52.66 | -7.44 | 830 | 1364 |
| Tullowbrin | city | Kilkenny | Ireland | 52.72 | -7.18 | 830 | 2221 |
| Turkstown | city | Kilkenny | Ireland | 52.32 | -7.30 | 45 | 3271 |
| Tussan Cross Roads | city | Kilkenny | Ireland | 52.43 | -7.34 | 856 | 1710 |