| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Dartan | city | County Donegal | Ireland | 54.7519444 | -7.6494444 | 656 | 2605 |
| Deningornan Bridge | city | County Donegal | Ireland | 54.6780556 | -8.1047222 | 160 | 2245 |
| Dernacally | city | County Donegal | Ireland | 54.9488889 | -7.4666667 | 114 | 2455 |
| Derrybeg | city | County Donegal | Ireland | 55.0833333 | -8.2894444 | 150 | 2170 |
| Derrycassan | city | County Donegal | Ireland | 55.2058333 | -7.8477778 | 246 | 1147 |
| Derrydruel | city | County Donegal | Ireland | 54.9108333 | -8.3383333 | 262 | 1843 |
| Derrylaggy | city | County Donegal | Ireland | 55.0988889 | -7.8583333 | 288 | 2133 |
| Derrylahan | city | County Donegal | Ireland | 54.6402778 | -8.6288889 | 200 | 1616 |
| Derrylough | city | County Donegal | Ireland | 54.8733333 | -8.3361111 | 449 | 1922 |
| Derryness | city | County Donegal | Ireland | 54.7866667 | -8.4430556 | 3 | 2062 |
| Doagh | city | County Donegal | Ireland | 55.2258333 | -7.8513889 | 213 | 603 |
| Doagh Beg | city | County Donegal | Ireland | 55.2508333 | -7.6244444 | 0 | 482 |
| Doaghmore | city | County Donegal | Ireland | 55.3011111 | -7.3177778 | 3 | 1799 |
| Doiri Beaga | city | County Donegal | Ireland | 55.0833333 | -8.2894444 | 150 | 2170 |
| Doirí Beaga | city | County Donegal | Ireland | 55.0833333 | -8.2894444 | 150 | 2170 |
| Donegal | city | County Donegal | Ireland | 54.65 | -8.1166667 | 78 | 2115 |
| Doocharry | city | County Donegal | Ireland | 54.9063889 | -8.2094444 | 219 | 2311 |
| Doochary | city | County Donegal | Ireland | 54.9063889 | -8.2094444 | 219 | 2311 |
| Doon | city | County Donegal | Ireland | 54.9338889 | -7.8086111 | 255 | 2310 |
| Doonalt | city | County Donegal | Ireland | 54.7063889 | -8.7525 | 534 | 910 |
| Dore | city | County Donegal | Ireland | 55.0430556 | -8.2683333 | 134 | 2170 |
| Downies | city | County Donegal | Ireland | 55.1969444 | -7.8522222 | 160 | 1147 |
| Droim Fraoigh | city | County Donegal | Ireland | 55.1963889 | -7.3969444 | 426 | 2296 |
| Dromore | city | County Donegal | Ireland | 54.6563889 | -8.1830556 | 42 | 1577 |
| Dromore | city | County Donegal | Ireland | 54.5713889 | -8.155 | 164 | 2051 |
| Dromore | city | County Donegal | Ireland | 54.9461111 | -7.6694444 | 91 | 2237 |
| Drum | city | County Donegal | Ireland | 55.0605556 | -7.5202778 | 0 | 1183 |
| Drum Irish | city | County Donegal | Ireland | 55.1386111 | -7.8336111 | 26 | 1705 |
| Drumabodan | city | County Donegal | Ireland | 55.0427778 | -7.7383333 | 246 | 2262 |
| Drumacloghan | city | County Donegal | Ireland | 55.0761111 | -7.6388889 | 134 | 2058 |
| Drumadowan | city | County Donegal | Ireland | 54.9147222 | -7.6566667 | 242 | 2309 |
| Drumagraa Bridge | city | County Donegal | Ireland | 54.6880556 | -8.2130556 | 193 | 2233 |
| Drumanoo | city | County Donegal | Ireland | 54.6113889 | -8.4675 | 0 | 794 |
| Drumaville | city | County Donegal | Ireland | 55.2783333 | -7.2369444 | 131 | 2193 |
| Drumaville | city | County Donegal | Ireland | 55.2675 | -7.0816667 | 3 | 1246 |
| Drumbar | city | County Donegal | Ireland | 54.6438889 | -8.0636111 | 216 | 2297 |
| Drumbarnet | city | County Donegal | Ireland | 54.9813889 | -7.5611111 | 328 | 1900 |
| Drumbarnet Upper | city | County Donegal | Ireland | 54.9636111 | -7.5761111 | 400 | 1900 |
| Drumbeg | city | County Donegal | Ireland | 54.8827778 | -7.5502778 | 3 | 2311 |
| Drumboarn Bridge | city | County Donegal | Ireland | 54.6972222 | -8.1552778 | 337 | 2138 |
| Drumboe | city | County Donegal | Ireland | 54.8125 | -7.7730556 | 170 | 2315 |
| Drumbologe | city | County Donegal | Ireland | 54.9658333 | -7.8711111 | 265 | 2307 |
| Drumbologue | city | County Donegal | Ireland | 54.9658333 | -7.8711111 | 265 | 2307 |
| Drumboy | city | County Donegal | Ireland | 55.0155556 | -7.5375 | 32 | 1648 |
| Drumconor | city | County Donegal | Ireland | 54.6444444 | -8.2555556 | 26 | 1641 |
| Drumdoo | city | County Donegal | Ireland | 54.6819444 | -8.3847222 | 187 | 2254 |
| Drumfergus | city | County Donegal | Ireland | 54.7797222 | -7.6725 | 249 | 2510 |
| Drumfin | city | County Donegal | Ireland | 55.0486111 | -7.8736111 | 495 | 2301 |
| Drumfree | city | County Donegal | Ireland | 55.1963889 | -7.3969444 | 426 | 2296 |
| Drumgorman | city | County Donegal | Ireland | 54.6347222 | -8.2708333 | 3 | 1641 |
| Drumgowan | city | County Donegal | Ireland | 55.0397222 | -7.4858333 | 36 | 2021 |
| Drumgumberland | city | County Donegal | Ireland | 54.8544444 | -7.6858333 | 213 | 2314 |
| Drummeen | city | County Donegal | Ireland | 54.9488889 | -8.3405556 | 459 | 1931 |
| Drummenny Bridge | city | County Donegal | Ireland | 54.6594444 | -8.0491667 | 246 | 2297 |
| Drummurphy | city | County Donegal | Ireland | 54.7855556 | -7.6308333 | 259 | 2605 |
| Drumnacross | city | County Donegal | Ireland | 54.8669444 | -7.7675 | 347 | 2314 |
| Drumnacross | city | County Donegal | Ireland | 55.0588889 | -7.3488889 | 114 | 7950 |
| Drumnadart | city | County Donegal | Ireland | 54.6566667 | -8.3052778 | 42 | 1608 |
| Drumnaha | city | County Donegal | Ireland | 54.8905556 | -8.1466667 | 475 | 2311 |
| Drumnakilly | city | County Donegal | Ireland | 54.6477778 | -8.3041667 | 3 | 1608 |
| Drumnasade | city | County Donegal | Ireland | 55.2238889 | -7.1486111 | 360 | 2266 |
| Drumoake Bridge | city | County Donegal | Ireland | 54.5852778 | -8.1394444 | 104 | 1712 |
| Drumoghill | city | County Donegal | Ireland | 54.9369444 | -7.5936111 | 285 | 2110 |
| Drumveagh | city | County Donegal | Ireland | 54.6413889 | -8.5963889 | 246 | 1737 |
| Drunickory | city | County Donegal | Ireland | 54.5958333 | -8.1355556 | 85 | 1712 |
| Dun Cionnaola | city | County Donegal | Ireland | 54.6308333 | -8.3705556 | 3 | 1617 |
| Dun Damh | city | County Donegal | Ireland | 55.2666667 | -7.5 | 88 | 1318 |
| Dun Fionnachaidh | city | County Donegal | Ireland | 55.1833333 | -7.9666667 | 52 | 1383 |
| Dun Luiche | city | County Donegal | Ireland | 55.0166667 | -8.1 | 515 | 2304 |
| Dun na nGall | city | County Donegal | Ireland | 54.65 | -8.1166667 | 78 | 2115 |
| Dunaff | city | County Donegal | Ireland | 55.2666667 | -7.5 | 88 | 1318 |
| Dunfanaghy | city | County Donegal | Ireland | 55.1833333 | -7.9666667 | 52 | 1383 |
| Dungloe | city | County Donegal | Ireland | 54.9511111 | -8.3591667 | 452 | 1931 |
| Dunglow | city | County Donegal | Ireland | 54.9511111 | -8.3591667 | 452 | 1931 |
| Dunkineely | city | County Donegal | Ireland | 54.6308333 | -8.3705556 | 3 | 1617 |
| Dunlewy | city | County Donegal | Ireland | 55.0166667 | -8.1 | 515 | 2304 |
| Dunmuckrum | city | County Donegal | Ireland | 54.4861111 | -8.2147222 | 196 | 1714 |
| Dunnaloo | city | County Donegal | Ireland | 54.7861111 | -7.5583333 | 173 | 2873 |
| Durnesh | city | County Donegal | Ireland | 54.5697222 | -8.1738889 | 246 | 1490 |
| Dún Cionnaola | city | County Donegal | Ireland | 54.6308333 | -8.3705556 | 3 | 1617 |
| Dún Damh | city | County Donegal | Ireland | 55.2666667 | -7.5 | 88 | 1318 |
| Dún Fionnachaidh | city | County Donegal | Ireland | 55.1833333 | -7.9666667 | 52 | 1383 |
| Dún Lúiche | city | County Donegal | Ireland | 55.0166667 | -8.1 | 515 | 2304 |
| Dún na nGall | city | County Donegal | Ireland | 54.65 | -8.1166667 | 78 | 2115 |
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