| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Tankardstown Bridge | city | Laois | Ireland | 52.94 | -6.96 | 180 | 3323 |
| The Great Heath of Maryborough | city | Laois | Ireland | 53.06 | -7.23 | 830 | 4739 |
| The Togher | city | Laois | Ireland | 53.08 | -7.20 | 830 | 2223 |
| Tigh Mochua | city | Laois | Ireland | 52.96 | -7.21 | 830 | 1062 |
| Timahoe | city | Laois | Ireland | 52.96 | -7.21 | 830 | 1062 |
| Tinnarakeen | city | Laois | Ireland | 52.89 | -7.44 | 291 | 1622 |
| Tirhogar Cross Roads | city | Laois | Ireland | 53.14 | -7.18 | 318 | 6096 |
| Tromráth | city | Laois | Ireland | 52.98 | -7.42 | 360 | 2231 |
| Trumra | city | Laois | Ireland | 52.98 | -7.42 | 360 | 2231 |
| Tubbrid | city | Laois | Ireland | 52.98 | -7.69 | 830 | 682 |
| Tullore Cross Roads | city | Laois | Ireland | 52.92 | -7.31 | 830 | 2969 |
| Turra | city | Laois | Ireland | 52.86 | -7.09 | 830 | 1805 |
| Twomile Bridge | city | Laois | Ireland | 53.15 | -7.37 | 351 | 2497 |