| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Daar Bridge | city | County Limerick | Ireland | 52.4713889 | -9.0672222 | 236 | 5481 |
| Daggan | city | An Cabhan | Ireland | 54.0283333 | -7.3663889 | 255 | 2420 |
| Daingean | city | County Offaly | Ireland | 53.2961111 | -7.2894444 | 278 | 2653 |
| Dalgin | city | | Ireland | 53.6333333 | -8.8666667 | 173 | 2429 |
| Dalkey | city | Baile Atha Cliath | Ireland | 53.2783333 | -6.1002778 | 0 | 35294 |
| Dalligan Bridge | city | Port Lairge | Ireland | 52.1705556 | -7.5880556 | 1095 | 4697 |
| Dallyhaysy | city | Baile Atha Cliath | Ireland | 53.6008333 | -6.2313889 | 154 | 68993 |
| Daly's Cross Roads | city | Corcaigh | Ireland | 52.0422222 | -8.5655556 | 679 | 5192 |
| Daly's Cross Roads | city | Corcaigh | Ireland | 52.1136111 | -8.0908333 | 242 | 5092 |
| Dalyʼs Cross Roads | city | Corcaigh | Ireland | 52.0422222 | -8.5655556 | 679 | 5192 |
| Dalyʼs Cross Roads | city | Corcaigh | Ireland | 52.1136111 | -8.0908333 | 242 | 5092 |
| Damastown | city | Baile Atha Cliath | Ireland | 53.5558333 | -6.3047222 | 295 | 75887 |
| Damhliag | city | An Mhi | Ireland | 53.6566667 | -6.4191667 | 114 | 4481 |
| Damma Lower Cross Roads | city | Cill Chainnigh | Ireland | 52.6347222 | -7.3236111 | 285 | 3308 |
| Danesfort | city | Ciarrai | Ireland | 52.04 | -9.4744444 | 236 | 2430 |
| Danesfort | city | Corcaigh | Ireland | 52.0994444 | -8.7236111 | 495 | 5188 |
| Danesfort | city | An Cabhan | Ireland | 53.9888889 | -7.4275 | 249 | 2425 |
| Dangan | city | Corcaigh | Ireland | 51.9727778 | -8.0283333 | 364 | 5201 |
| Dangan Bridge | city | Cill Chainnigh | Ireland | 52.3266667 | -7.16 | 154 | 3496 |
| Dangan's Bridge | city | Laois | Ireland | 53.1225 | -7.2672222 | 347 | 2754 |
| Dangans | city | Laois | Ireland | 53.1175 | -7.2758333 | 364 | 2754 |
| Danganville Bridge | city | County Limerick | Ireland | 52.4852778 | -9.0894444 | 337 | 5481 |
| Danganʼs Bridge | city | Laois | Ireland | 53.1225 | -7.2672222 | 347 | 2754 |
| Dansefort Cross Roads | city | Cill Chainnigh | Ireland | 52.5830556 | -7.235 | 213 | 3312 |
| Darby's Bridge | city | Ciarrai | Ireland | 52.0141667 | -10.1013889 | 456 | 1448 |
| Darbyʼs Bridge | city | Ciarrai | Ireland | 52.0141667 | -10.1013889 | 456 | 1448 |
| Darcy's Cross Roads | city | Cill Mhantain | Ireland | 52.7947222 | -6.6336111 | 354 | 4394 |
| Darcyʼs Cross Roads | city | Cill Mhantain | Ireland | 52.7947222 | -6.6336111 | 354 | 4394 |
| Dardistown | city | | Ireland | 53.65 | -6.3166667 | 288 | 9996 |
| Dardistown | city | Baile Atha Cliath | Ireland | 53.4166667 | -6.2383333 | 52 | 101370 |
| Darragh Bridge | city | County Limerick | Ireland | 52.3086111 | -8.4058333 | 498 | 5366 |
| Darraghlan | city | County Monaghan | Ireland | 54.1838889 | -6.9602778 | 495 | 3483 |
| Dartan | city | County Donegal | Ireland | 54.7519444 | -7.6494444 | 656 | 2605 |
| Daru | city | Laois | Ireland | 52.8441667 | -7.3925 | 314 | 2856 |
| Darú | city | Laois | Ireland | 52.8441667 | -7.3925 | 314 | 2856 |
| Davidstown | city | Cill Dara | Ireland | 53.0747222 | -6.8336111 | 479 | 7189 |
| Davidstown | city | Cill Mhantain | Ireland | 52.9872222 | -6.6238889 | 587 | 4575 |
| Davidstown | city | Loch Garman | Ireland | 52.3377778 | -6.5569444 | 275 | 4038 |
| Dawn of Hope Bridge | city | County Leitrim | Ireland | 54.2030556 | -8.0844444 | 666 | 1408 |
| Dawros | city | Gaillimh | Ireland | 53.5625 | -9.9627778 | 82 | 2146 |
| Dawros Beg | city | | Ireland | 53.5666667 | -9.9833333 | 0 | 2146 |
| Dawros Bridge | city | Ciarrai | Ireland | 51.8613889 | -9.6305556 | 121 | 2034 |
| Dawros More | city | Gaillimh | Ireland | 53.5625 | -9.9627778 | 82 | 2146 |
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