| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Daar Bridge | city | Ireland | 52.47 | -9.07 | 236 | 6234 | |
| Danganville Bridge | city | Ireland | 52.49 | -9.09 | 337 | 5511 | |
| Darragh Bridge | city | Ireland | 52.31 | -8.41 | 830 | 1510 | |
| Dawson's Table | city | Ireland | 52.37 | -8.20 | 2509 | 935 | |
| Dawson’s Table | city | Ireland | 52.37 | -8.20 | 2509 | 935 | |
| Derraulin | city | Ireland | 52.42 | -8.76 | 285 | 1857 | |
| Derraun Bridge | city | Ireland | 52.57 | -8.26 | 236 | 2601 | |
| Derrylusk | city | Ireland | 52.73 | -8.49 | 183 | 5809 | |
| Devonroad | city | Ireland | 52.39 | -9.25 | 830 | 3541 | |
| Doon | city | Ireland | 52.60 | -8.24 | 301 | 2187 | |
| Dooncaha | city | Ireland | 52.54 | -9.13 | 830 | 1737 | |
| Dooneen Bridge | city | Ireland | 52.60 | -8.67 | 101 | 15252 | |
| Downey's Cross Roads | city | Ireland | 52.61 | -8.46 | 259 | 2377 | |
| Downey’s Cross Roads | city | Ireland | 52.61 | -8.46 | 259 | 2377 | |
| Drehidnaman Bridge | city | Ireland | 52.54 | -8.85 | 98 | 2236 | |
| Drom Collachair | city | Ireland | 52.33 | -8.92 | 830 | 1969 | |
| Dromacummer | city | Ireland | 52.44 | -8.66 | 229 | 1949 | |
| Dromcolliher | city | Ireland | 52.33 | -8.92 | 830 | 1969 | |
| Dromcollogher | city | Ireland | 52.33 | -8.92 | 830 | 1969 | |
| Dromin | city | Ireland | 52.46 | -9.12 | 830 | 2960 | |
| Dromin | city | Ireland | 52.44 | -8.58 | 249 | 3192 | |
| Drominboy | city | Ireland | 52.69 | -8.48 | 177 | 6901 | |
| Dromkeen | city | Ireland | 52.57 | -8.39 | 830 | 2630 | |
| Dromresna Bridge | city | Ireland | 52.36 | -9.21 | 830 | 2005 | |
| Dromtrasna | city | Ireland | 52.36 | -9.28 | 830 | 4230 | |
| Drumcolliher | city | Ireland | 52.33 | -8.92 | 830 | 1969 | |
| Drumcollogher | city | Ireland | 52.33 | -8.92 | 830 | 1969 | |
| Dunmorrisheer | city | Ireland | 52.45 | -8.53 | 285 | 2708 | |
| Dunnaman | city | Ireland | 52.53 | -8.79 | 98 | 3682 | |
| Duntryleague | city | Ireland | 52.41 | -8.35 | 830 | 2191 | |
| Dún | city | Ireland | 52.60 | -8.24 | 301 | 2187 |