| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| D'Loughtane Cross Roads | city | Ireland | 51.99 | -7.85 | 114 | 7543 | |
| Dalligan Bridge | city | Ireland | 52.17 | -7.59 | 1095 | 1119 | |
| Davmore | city | Ireland | 52.22 | -7.54 | 938 | 884 | |
| Deelish | city | Ireland | 52.12 | -7.59 | 269 | 7896 | |
| Deerpark Bridge | city | Ireland | 52.27 | -7.73 | 314 | 1285 | |
| Derrinlaur | city | Ireland | 52.36 | -7.64 | 288 | 6335 | |
| Downey's Cross Roads | city | Ireland | 52.16 | -7.53 | 229 | 1652 | |
| Downey’s Cross Roads | city | Ireland | 52.16 | -7.53 | 229 | 1652 | |
| Dreludatogher | city | Ireland | 52.09 | -7.75 | 262 | 1122 | |
| Drianroe | city | Ireland | 52.13 | -7.87 | 55 | 1808 | |
| Droichead Bhaile Mhac Airt | city | Ireland | 51.99 | -7.63 | 173 | 553 | |
| Droidhedeens | city | Ireland | 52.18 | -7.75 | 331 | 1075 | |
| Dromore | city | Ireland | 52.06 | -7.86 | 200 | 1259 | |
| Drumcannon | city | Ireland | 52.18 | -7.12 | 39 | 11091 | |
| Drumgullane | city | Ireland | 51.99 | -7.78 | 265 | 1556 | |
| Drumlohan Cross Roads | city | Ireland | 52.16 | -7.47 | 259 | 1677 | |
| Drumslig | city | Ireland | 52.03 | -7.72 | 830 | 858 | |
| Dun Mor | city | Ireland | 52.15 | -6.99 | 0 | 2358 | |
| Dungarvan | city | Ireland | 52.09 | -7.63 | 3 | 10174 | |
| Dunhill | city | Ireland | 52.17 | -7.26 | 167 | 2035 | |
| Dunmoon | city | Ireland | 52.06 | -7.95 | 830 | 1421 | |
| Dunmore | city | Ireland | 52.15 | -6.99 | 0 | 2358 | |
| Dunmore East | city | Ireland | 52.15 | -6.99 | 0 | 2358 | |
| Durrow | city | Ireland | 52.14 | -7.52 | 246 | 1677 | |
| Durrow Cross Roads | city | Ireland | 52.14 | -7.52 | 246 | 1677 | |
| Dyrick | city | Ireland | 52.20 | -7.77 | 830 | 1123 | |
| Dún Garbhán | city | Ireland | 52.09 | -7.63 | 3 | 10174 | |
| D’Loughtane Cross Roads | city | Ireland | 51.99 | -7.85 | 114 | 7543 |