| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Tallycreen Bridge | city | Clare | Ireland | 52.67 | -9.31 | 65 | 1192 |
| Tarmon | city | Clare | Ireland | 52.65 | -9.37 | 49 | 859 |
| Teermaclane | city | Clare | Ireland | 52.79 | -9.03 | 311 | 4773 |
| Teernacloghane | city | Clare | Ireland | 52.70 | -9.41 | 55 | 1344 |
| Terman | city | Clare | Ireland | 52.66 | -9.61 | 13 | 1905 |
| The Hand Cross Roads | city | Clare | Ireland | 52.82 | -9.26 | 830 | 867 |
| Tomgraney | city | Clare | Ireland | 52.90 | -8.54 | 246 | 1794 |
| Tooclae | city | Clare | Ireland | 53.01 | -9.36 | 213 | 1388 |
| Toomaghera | city | Clare | Ireland | 53.05 | -9.24 | 830 | 1344 |
| Tooreen | city | Clare | Ireland | 52.88 | -9.07 | 272 | 3219 |
| Troiscshliabh | city | Clare | Ireland | 52.63 | -9.76 | 226 | 429 |
| Tromra | city | Clare | Ireland | 52.81 | -9.47 | 55 | 1511 |
| Trough | city | Clare | Ireland | 52.73 | -8.62 | 229 | 16975 |
| Trusklieve | city | Clare | Ireland | 52.63 | -9.76 | 226 | 429 |
| Tuaim Greine | city | Clare | Ireland | 52.90 | -8.54 | 246 | 1794 |
| Tuamgraney | city | Clare | Ireland | 52.90 | -8.54 | 246 | 1794 |
| Tulachar | city | Clare | Ireland | 52.70 | -9.58 | 3 | 1456 |
| Tulaigh | city | Clare | Ireland | 52.61 | -9.78 | 147 | 452 |
| Tulaigh Chrainn ??ochtarach | city | Clare | Ireland | 52.67 | -9.33 | 55 | 1169 |
| Tulaigh Chrainn Uachtarach | city | Clare | Ireland | 52.68 | -9.36 | 91 | 1261 |
| Tulla | city | Clare | Ireland | 53.07 | -8.94 | 177 | 790 |
| Tulla | city | Clare | Ireland | 52.86 | -8.76 | 830 | 1391 |
| Tullabrack | city | Clare | Ireland | 52.69 | -9.48 | 3 | 3709 |
| Tullagh | city | Clare | Ireland | 52.98 | -9.21 | 239 | 906 |
| Tullaghaboy | city | Clare | Ireland | 52.80 | -9.25 | 830 | 833 |
| Tullagower | city | Clare | Ireland | 52.67 | -9.41 | 49 | 1554 |
| Tullaher | city | Clare | Ireland | 52.70 | -9.58 | 3 | 1456 |
| Tullaroe | city | Clare | Ireland | 52.65 | -9.62 | 19 | 1867 |
| Tullassa | city | Clare | Ireland | 52.85 | -9.08 | 259 | 3429 |
| Tullig | city | Clare | Ireland | 52.61 | -9.78 | 147 | 452 |
| Tullycreen | city | Clare | Ireland | 52.68 | -9.36 | 91 | 1261 |
| Tullycreen Lower | city | Clare | Ireland | 52.67 | -9.33 | 55 | 1169 |
| Tullycreen Upper | city | Clare | Ireland | 52.68 | -9.36 | 91 | 1261 |
| Tullycrine | city | Clare | Ireland | 52.68 | -9.36 | 91 | 1261 |
| Tullygarvan | city | Clare | Ireland | 52.92 | -9.32 | 249 | 2397 |
| Turlough | city | Clare | Ireland | 53.09 | -9.07 | 216 | 562 |
| Turloughmore | city | Clare | Ireland | 53.05 | -8.99 | 249 | 346 |
| Tyredagh Upper | city | Clare | Ireland | 52.91 | -8.79 | 269 | 874 |