| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Dawros | city | Gaillimh | Ireland | 53.5625 | -9.9627778 | 82 | 2146 |
| Dawros More | city | Gaillimh | Ireland | 53.5625 | -9.9627778 | 82 | 2146 |
| Derreen | city | Gaillimh | Ireland | 53.5036111 | -10.0638889 | 213 | 2155 |
| Derreen | city | Gaillimh | Ireland | 53.0325 | -8.7277778 | 229 | 2725 |
| Derreenboy | city | Gaillimh | Ireland | 53.2297222 | -8.3316667 | 249 | 2881 |
| Derrew | city | Gaillimh | Ireland | 53.1983333 | -8.3 | 305 | 2884 |
| Derroogh | city | Gaillimh | Ireland | 53.2766667 | -9.5180556 | 108 | 2243 |
| Derry | city | Gaillimh | Ireland | 53.0144444 | -8.8513889 | 144 | 2789 |
| Derrybrien | city | Gaillimh | Ireland | 53.0641667 | -8.6122222 | 524 | 2788 |
| Derryfrench | city | Gaillimh | Ireland | 53.1619444 | -8.3863889 | 249 | 2885 |
| Derrygoolin | city | Gaillimh | Ireland | 52.9816667 | -8.4361111 | 518 | 2532 |
| Derrykeel | city | Gaillimh | Ireland | 53.0425 | -8.7205556 | 232 | 2849 |
| Derryloughaun | city | Gaillimh | Ireland | 53.2536111 | -9.2461111 | 0 | 2126 |
| Derrymullan | city | Gaillimh | Ireland | 53.3422222 | -8.2663889 | 219 | 2756 |
| Derrynacarana | city | Gaillimh | Ireland | 53.0516667 | -8.7227778 | 226 | 2849 |
| Derryrush | city | Gaillimh | Ireland | 53.3902778 | -9.6663889 | 9 | 2287 |
| Doon | city | Gaillimh | Ireland | 53.3775 | -9.2525 | 190 | 2345 |
| Doon | city | Gaillimh | Ireland | 53.3783333 | -8.3783333 | 246 | 2870 |
| Doon Hill | city | Gaillimh | Ireland | 53.4158333 | -10.12 | 0 | 703 |
| Doonloughan | city | Gaillimh | Ireland | 53.4391667 | -10.1416667 | 3 | 679 |
| Dooveher | city | Gaillimh | Ireland | 53.3322222 | -9.8861111 | 3 | 569 |
| Doughiska | city | Gaillimh | Ireland | 53.2786111 | -8.9738889 | 3 | 2094 |
| Drimmavohaun | city | Gaillimh | Ireland | 53.3444444 | -9.2058333 | 255 | 2782 |
| Drinagh | city | Gaillimh | Ireland | 53.4786111 | -10.0597222 | 3 | 2109 |
| Droichead an Chlairin | city | Gaillimh | Ireland | 53.2286111 | -8.8775 | 16 | 2687 |
| Droichead an Chláirín | city | Gaillimh | Ireland | 53.2286111 | -8.8775 | 16 | 2687 |
| Drumalegaun | city | Gaillimh | Ireland | 53.2847222 | -9.5952778 | 3 | 1411 |
| Drumatober | city | Gaillimh | Ireland | 53.1891667 | -8.3722222 | 252 | 2884 |
| Drumgriffin | city | Gaillimh | Ireland | 53.3858333 | -8.9933333 | 91 | 2865 |
| Drumkeary | city | Gaillimh | Ireland | 53.1038889 | -8.4763889 | 318 | 2888 |
| Dun Mor | city | Gaillimh | Ireland | 53.6166667 | -8.7333333 | 226 | 2843 |
| Dun an Uchta | city | Gaillimh | Ireland | 53.1975 | -8.1325 | 223 | 2792 |
| Dundoogan | city | Gaillimh | Ireland | 53.3411111 | -8.3586111 | 246 | 2871 |
| Duniry | city | Gaillimh | Ireland | 53.1316667 | -8.4041667 | 229 | 2885 |
| Dunmore | city | Gaillimh | Ireland | 53.6166667 | -8.7333333 | 226 | 2843 |
| Dún Mór | city | Gaillimh | Ireland | 53.6166667 | -8.7333333 | 226 | 2843 |
| Dún an Uchta | city | Gaillimh | Ireland | 53.1975 | -8.1325 | 223 | 2792 |
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