| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Aiden's Cross Roads | city | Wexford | Ireland | 52.66 | -6.56 | 298 | 1619 |
| Aiden’s Cross Roads | city | Wexford | Ireland | 52.66 | -6.56 | 298 | 1619 |
| Aighe | city | Donegal | Ireland | 54.74 | -8.43 | 830 | 971 |
| Ail Finn | city | Roscommon | Ireland | 53.85 | -8.20 | 249 | 1313 |
| Ail Ti Conain | city | Mayo | Ireland | 54.21 | -9.96 | 3 | 1425 |
| Aill An Phréacháiin | city | Galway | Ireland | 53.26 | -9.24 | 82 | 1802 |
| Aill an Phreachain | city | Galway | Ireland | 53.26 | -9.24 | 82 | 1802 |
| Aille | city | Mayo | Ireland | 53.77 | -9.41 | 383 | 1238 |
| Aille | city | Galway | Ireland | 53.25 | -9.39 | 36 | 800 |
| Aillemore | city | Clare | Ireland | 52.81 | -8.51 | 830 | 1906 |
| Aillemore | city | Mayo | Ireland | 53.71 | -9.87 | 259 | 574 |
| Aillenacally | city | Galway | Ireland | 53.42 | -9.91 | 0 | 369 |
| Aillroe More | city | Clare | Ireland | 52.64 | -9.18 | 108 | 1157 |
| Ailt an Chorrain | city | Donegal | Ireland | 54.99 | -8.43 | 6 | 1270 |
| Air Hill | city | Cork | Ireland | 52.20 | -8.37 | 160 | 2004 |
| Aird Mhor | city | Ireland | 51.95 | -7.73 | 3 | 1040 | |
| Aishanboe | city | Ireland | 52.68 | -7.98 | 830 | 1343 |