| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Duagh | city | Kerry | Ireland | 52.41 | -9.39 | 255 | 1654 |
| Dubháth | city | Kerry | Ireland | 52.41 | -9.39 | 255 | 1654 |
| Dublin | city | Dublin | Ireland | 53.33 | -6.25 | 29 | 311520 |
| Dublin | city | Ireland | 52.57 | -7.55 | 830 | 1704 | |
| Dublin City | city | Dublin | Ireland | 53.33 | -6.25 | 29 | 311520 |
| Dublin Pike | city | Cork | Ireland | 51.93 | -8.46 | 259 | 106776 |
| Dublina | city | Dublin | Ireland | 53.33 | -6.25 | 29 | 311520 |
| Dublinas | city | Dublin | Ireland | 53.33 | -6.25 | 29 | 311520 |
| Dublini | city | Dublin | Ireland | 53.33 | -6.25 | 29 | 311520 |
| Dublino | city | Dublin | Ireland | 53.33 | -6.25 | 29 | 311520 |
| Dublinu | city | Dublin | Ireland | 53.33 | -6.25 | 29 | 311520 |
| Dublín - Baile Átha Cliath | city | Dublin | Ireland | 53.33 | -6.25 | 29 | 311520 |
| Ducalla | city | Kerry | Ireland | 51.78 | -10.33 | 0 | 178 |
| Duchoill agus Com an Bheannaithe | city | Kerry | Ireland | 51.89 | -9.98 | 1115 | 251 |
| Duffery | city | Carlow | Ireland | 52.84 | -6.60 | 406 | 1696 |
| Dufty's Cross Roads | city | Kildare | Ireland | 53.39 | -7.00 | 308 | 2151 |
| Dufty’s Cross Roads | city | Kildare | Ireland | 53.39 | -7.00 | 308 | 2151 |
| Duggarry | city | Roscommon | Ireland | 53.39 | -8.07 | 830 | 1493 |
| Dughile and Coomavanniha | city | Kerry | Ireland | 51.89 | -9.98 | 1115 | 251 |
| Duibhis | city | Mayo | Ireland | 54.15 | -10.09 | 0 | 780 |
| Duibhlinn | city | Dublin | Ireland | 53.33 | -6.25 | 29 | 311520 |
| Duichealla | city | Kerry | Ireland | 51.78 | -10.33 | 0 | 178 |
| Duke Street | city | Kildare | Ireland | 52.93 | -6.93 | 209 | 2161 |
| Dukespark | city | Carlow | Ireland | 52.70 | -6.72 | 830 | 1677 |
| Dulane | city | Meath | Ireland | 53.75 | -6.89 | 229 | 8741 |
| Duleek | city | Meath | Ireland | 53.66 | -6.42 | 114 | 5661 |
| Dulenn | city | Dublin | Ireland | 53.33 | -6.25 | 29 | 311520 |
| Dulyn | city | Dublin | Ireland | 53.33 | -6.25 | 29 | 311520 |
| Dumha Acha | city | Mayo | Ireland | 53.97 | -10.13 | 13 | 403 |
| Dumha Acha | city | Mayo | Ireland | 54.01 | -10.02 | 830 | 768 |
| Dumha Dhearc | city | Mayo | Ireland | 54.11 | -9.94 | 3 | 736 |
| Dumha Eige | city | Mayo | Ireland | 53.92 | -10.03 | 0 | 616 |
| Dumha Locha | city | Mayo | Ireland | 54.14 | -9.94 | 3 | 756 |
| Dumha Thuama | city | Mayo | Ireland | 54.07 | -9.94 | 3 | 575 |
| Dumhach Thrá | city | Dublin | Ireland | 53.34 | -6.21 | 0 | 228968 |
| Dumhaigh | city | Donegal | Ireland | 55.23 | -7.85 | 213 | 707 |
| Dumhaigh Bhig | city | Donegal | Ireland | 55.25 | -7.62 | 0 | 568 |
| Dumhaigh Ithir | city | Galway | Ireland | 53.33 | -9.89 | 3 | 612 |
| Dun Allt | city | Donegal | Ireland | 54.71 | -8.75 | 830 | 464 |
| Dun An Ri | city | Cavan | Ireland | 53.91 | -6.81 | 298 | 3730 |
| Dun Chaoin | city | Kerry | Ireland | 52.13 | -10.46 | 229 | 647 |
| Dun Cormaic | city | Wexford | Ireland | 52.23 | -6.65 | 13 | 1687 |
| Dun Fionnachaidh | city | Donegal | Ireland | 55.18 | -7.97 | 52 | 1134 |
| Dun Gar | city | Roscommon | Ireland | 53.87 | -8.40 | 246 | 1063 |
| Dun Geagain | city | Kerry | Ireland | 51.83 | -10.25 | 0 | 554 |
| Dun Laoghaire | city | Dun Laoghaire-Rathdown | Ireland | 53.29 | -6.13 | 3 | 86030 |
| Dun Luain | city | Wicklow | Ireland | 53.06 | -6.70 | 830 | 2558 |
| Dun Luiche | city | Donegal | Ireland | 55.02 | -8.10 | 830 | 639 |
| Dun Manmhai | city | Cork | Ireland | 51.72 | -9.12 | 249 | 2913 |
| Dun Mor | city | Ireland | 52.15 | -6.99 | 0 | 2358 | |
| Dun Mor | city | Galway | Ireland | 53.62 | -8.73 | 226 | 1713 |
| Dun Samhnaí | city | Meath | Ireland | 53.54 | -6.62 | 357 | 2984 |
| Dun Seachlainn | city | Meath | Ireland | 53.51 | -6.54 | 282 | 6094 |
| Dun Seann | city | Kerry | Ireland | 52.13 | -10.23 | 0 | 2298 |
| Dun an Uchta | city | Galway | Ireland | 53.20 | -8.13 | 223 | 1114 |
| Dun ar Aill | city | Cork | Ireland | 52.22 | -8.58 | 269 | 2095 |
| Dunaff | city | Donegal | Ireland | 55.27 | -7.50 | 88 | 982 |
| Dunanore | city | Wexford | Ireland | 52.47 | -6.58 | 167 | 8958 |
| Dunany | city | Lu | Ireland | 53.86 | -6.28 | 19 | 1652 |
| Dunargus | city | Donegal | Ireland | 55.34 | -7.35 | 0 | 1064 |
| Dunavinally | city | Leitrim | Ireland | 53.99 | -7.83 | 246 | 1432 |
| Dunbeacon | city | Cork | Ireland | 51.58 | -9.57 | 321 | 1302 |
| Dunbell | city | Kilkenny | Ireland | 52.62 | -7.14 | 249 | 2343 |
| Dunboyne | city | Meath | Ireland | 53.40 | -6.47 | 249 | 39715 |
| Dunbrin | city | Kildare | Ireland | 52.97 | -6.99 | 200 | 7730 |
| Dunbrody | city | Wexford | Ireland | 52.24 | -6.95 | 0 | 2436 |
| Dunbulloge Bridge | city | Cork | Ireland | 51.97 | -8.46 | 830 | 16074 |
| Dunbur | city | Wicklow | Ireland | 52.96 | -6.02 | 0 | 9570 |
| Dunbyrne | city | Kildare | Ireland | 53.23 | -6.86 | 830 | 7377 |
| Duncannon | city | Wexford | Ireland | 52.22 | -6.92 | 9 | 1633 |
| Duncannon Bridge | city | Cork | Ireland | 52.09 | -9.19 | 830 | 1768 |
| Duncansland | city | Meath | Ireland | 53.63 | -6.71 | 167 | 14921 |
| Duncormick | city | Wexford | Ireland | 52.23 | -6.65 | 13 | 1687 |
| Duncummin | city | Ireland | 52.49 | -8.37 | 282 | 2119 | |
| Dundalk | city | Lu | Ireland | 54.00 | -6.42 | 3 | 33576 |
| Dundaryark | city | Kilkenny | Ireland | 52.59 | -7.26 | 223 | 5735 |
| Dunderk | city | Meath | Ireland | 53.71 | -6.64 | 305 | 6697 |
| Dunderrow | city | Cork | Ireland | 51.73 | -8.62 | 0 | 2339 |
| Dunderry | city | Meath | Ireland | 53.61 | -6.77 | 242 | 6160 |
| Dundian Cross Roads | city | Monaghan | Ireland | 54.36 | -7.01 | 941 | 2153 |
| Dundonnell | city | Roscommon | Ireland | 53.38 | -8.17 | 259 | 2408 |
| Dundoogan | city | Galway | Ireland | 53.34 | -8.36 | 246 | 1378 |
| Dundrannan Cross Roads | city | Monaghan | Ireland | 54.15 | -6.99 | 416 | 1573 |
| Dundrum | city | Dun Laoghaire-Rathdown | Ireland | 53.29 | -6.27 | 246 | 262162 |
| Dundrum | city | Ireland | 52.56 | -8.04 | 265 | 1854 | |
| Duneany Cross Roads | city | Kildare | Ireland | 53.11 | -6.98 | 249 | 2960 |
| Duneen | city | Cork | Ireland | 51.58 | -8.88 | 0 | 4576 |
| Duneena | city | Cavan | Ireland | 53.94 | -7.01 | 830 | 2451 |
| Dunfanaghy | city | Donegal | Ireland | 55.18 | -7.97 | 52 | 1134 |
| Dunfierth Cross Roads | city | Kildare | Ireland | 53.39 | -6.83 | 291 | 2702 |
| Dunganny | city | Meath | Ireland | 53.58 | -6.74 | 183 | 6707 |
| Dunganstown | city | Wexford | Ireland | 52.34 | -6.97 | 141 | 4762 |
| Dunganstown | city | An Iarmhi | Ireland | 53.63 | -7.11 | 400 | 1593 |
| Dungarvan | city | Kilkenny | Ireland | 52.59 | -7.09 | 213 | 2288 |
| Dungarvan | city | Ireland | 52.09 | -7.63 | 3 | 10174 | |
| Dungeagan | city | Kerry | Ireland | 51.83 | -10.25 | 0 | 554 |
| Dunglave | city | Cavan | Ireland | 54.16 | -7.71 | 259 | 1112 |
| Dungloe | city | Donegal | Ireland | 54.95 | -8.36 | 830 | 2721 |
| Dunglow | city | Donegal | Ireland | 54.95 | -8.36 | 830 | 2721 |
| Dungooly | city | Kilkenny | Ireland | 52.29 | -7.21 | 193 | 4219 |
| Dungooly Cross Roads | city | Lu | Ireland | 54.07 | -6.46 | 177 | 8489 |
| Dungourney | city | Cork | Ireland | 51.97 | -8.10 | 347 | 1934 |
| Dunheeda | city | Meath | Ireland | 53.89 | -6.75 | 314 | 2785 |
| Dunhill | city | Ireland | 52.17 | -7.26 | 167 | 2035 | |
| Duniry | city | Galway | Ireland | 53.13 | -8.40 | 229 | 1416 |
| Dunkelly | city | Cork | Ireland | 51.53 | -9.71 | 830 | 481 |
| Dunkerrin | city | Offaly | Ireland | 52.91 | -7.91 | 830 | 1217 |
| Dunkettle | city | Cork | Ireland | 51.90 | -8.38 | 0 | 34628 |
| Dunkineely | city | Donegal | Ireland | 54.63 | -8.37 | 3 | 1647 |
| Dunkitt | city | Kilkenny | Ireland | 52.29 | -7.14 | 78 | 30567 |
| Dunlavin | city | Wicklow | Ireland | 53.06 | -6.70 | 830 | 2558 |
| Dunleary | city | Dun Laoghaire-Rathdown | Ireland | 53.29 | -6.13 | 3 | 86030 |
| Dunleer | city | Lu | Ireland | 53.84 | -6.40 | 144 | 3986 |
| Dunleever Glebe | city | Meath | Ireland | 53.56 | -6.82 | 232 | 6654 |
| Dunlewy | city | Donegal | Ireland | 55.02 | -8.10 | 830 | 639 |
| Dunlough | city | Meath | Ireland | 53.59 | -6.76 | 216 | 6347 |
| Dunmahon | city | Cork | Ireland | 52.20 | -8.34 | 206 | 1999 |
| Dunmain Cross Roads | city | Wexford | Ireland | 52.30 | -6.88 | 200 | 1888 |
| Dunmanoge | city | Kildare | Ireland | 52.89 | -6.92 | 209 | 13242 |
| Dunmanus | city | Cork | Ireland | 51.54 | -9.68 | 298 | 431 |
| Dunmanway | city | Cork | Ireland | 51.72 | -9.12 | 249 | 2913 |
| Dunmaurice | city | Monaghan | Ireland | 54.14 | -6.87 | 830 | 2969 |
| Dunmoe | city | Meath | Ireland | 53.68 | -6.63 | 121 | 10081 |
| Dunmoon | city | Ireland | 52.06 | -7.95 | 830 | 1421 | |
| Dunmoran | city | Sligo | Ireland | 54.26 | -8.72 | 45 | 635 |
| Dunmore | city | Ireland | 52.15 | -6.99 | 0 | 2358 | |
| Dunmore | city | Galway | Ireland | 53.62 | -8.73 | 226 | 1713 |
| Dunmore East | city | Ireland | 52.15 | -6.99 | 0 | 2358 | |
| Dunmore West | city | Mayo | Ireland | 54.05 | -9.82 | 259 | 270 |
| Dunmorrisheer | city | Ireland | 52.45 | -8.53 | 285 | 2708 | |
| Dunmuckrum | city | Donegal | Ireland | 54.49 | -8.21 | 196 | 4594 |
| Dunn's Cross Roads | city | Kilkenny | Ireland | 52.81 | -7.12 | 830 | 2024 |
| Dunnaloo | city | Donegal | Ireland | 54.79 | -7.56 | 173 | 3350 |
| Dunnamaggan | city | Kilkenny | Ireland | 52.50 | -7.30 | 223 | 1577 |
| Dunnaman | city | Ireland | 52.53 | -8.79 | 98 | 3682 | |
| Dunningstown | city | Kilkenny | Ireland | 52.68 | -7.32 | 383 | 5718 |
| Dunn’s Cross Roads | city | Kilkenny | Ireland | 52.81 | -7.12 | 830 | 2024 |
| Dunowen | city | Cork | Ireland | 51.55 | -8.92 | 0 | 1181 |
| Dunquin | city | Kerry | Ireland | 52.13 | -10.46 | 229 | 647 |
| Dunrally Bridge | city | Laois | Ireland | 53.06 | -7.06 | 216 | 2046 |
| Dunraymond | city | Monaghan | Ireland | 54.17 | -6.91 | 830 | 2767 |
| Dunroe | city | Carlow | Ireland | 52.63 | -6.89 | 269 | 2006 |
| Dunsany | city | Meath | Ireland | 53.54 | -6.62 | 357 | 2984 |
| Dunshane | city | Kildare | Ireland | 53.15 | -6.70 | 383 | 5273 |
| Dunshaughlin | city | Meath | Ireland | 53.51 | -6.54 | 282 | 6094 |
| Dunsink | city | Dublin | Ireland | 53.38 | -6.33 | 39 | 166151 |
| Dunsland | city | Cork | Ireland | 51.91 | -8.38 | 78 | 34628 |
| Duntryleague | city | Ireland | 52.41 | -8.35 | 830 | 2191 | |
| Dunum Loigarii | city | Dun Laoghaire-Rathdown | Ireland | 53.29 | -6.13 | 3 | 86030 |
| Duras | city | Cork | Ireland | 51.62 | -9.53 | 232 | 1072 |
| Durhamstown | city | Meath | Ireland | 53.66 | -6.78 | 232 | 3658 |
| Durlas | city | Ireland | 52.68 | -7.80 | 328 | 10210 | |
| Durnesh | city | Donegal | Ireland | 54.57 | -8.17 | 246 | 1277 |
| Durrow | city | Ireland | 52.14 | -7.52 | 246 | 1677 | |
| Durrow | city | Laois | Ireland | 52.84 | -7.39 | 314 | 2114 |
| Durrow Cross Roads | city | Ireland | 52.14 | -7.52 | 246 | 1677 | |
| Durrus | city | Cork | Ireland | 51.62 | -9.53 | 232 | 1072 |
| Duíleann | city | Clare | Ireland | 53.07 | -9.08 | 364 | 388 |