| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Kilbarrack | city | Baile Atha Cliath | Ireland | 53.3913889 | -6.1458333 | 0 | 59010 |
| Kill of the Grange | city | Baile Atha Cliath | Ireland | 53.2791667 | -6.1541667 | 49 | 64370 |
| Killeek | city | Baile Atha Cliath | Ireland | 53.4547222 | -6.2780556 | 111 | 102671 |
| Killiney | city | Baile Atha Cliath | Ireland | 53.2522222 | -6.1125 | 0 | 35294 |
| Killosseny | city | Baile Atha Cliath | Ireland | 53.4886111 | -6.3063889 | 141 | 90016 |
| Kilmainham | city | Baile Atha Cliath | Ireland | 53.3333333 | -6.2833333 | 75 | 102164 |
| Kilmore | city | Baile Atha Cliath | Ireland | 53.3963889 | -6.2280556 | 26 | 97588 |
| Kilstillaghan | city | Baile Atha Cliath | Ireland | 53.4733333 | -6.3186111 | 160 | 90016 |
| Kiltiernan | city | Baile Atha Cliath | Ireland | 53.2319444 | -6.1911111 | 492 | 73557 |
| Kingstown | city | Baile Atha Cliath | Ireland | 53.2925 | -6.1286111 | 3 | 40100 |
| Kingstown Cross Roads | city | Baile Atha Cliath | Ireland | 53.4380556 | -6.2955556 | 131 | 95212 |
| Kingswood | city | Baile Atha Cliath | Ireland | 53.3019444 | -6.4177778 | 291 | 100745 |
| Kinsaley | city | Baile Atha Cliath | Ireland | 53.4247222 | -6.1758333 | 3 | 94582 |
| Kitchenstown | city | Baile Atha Cliath | Ireland | 53.5825 | -6.2444444 | 246 | 98391 |
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