| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Laban | city | Gaillimh | Ireland | 53.1391667 | -8.8061111 | 91 | 2885 |
| Labasheeda | city | An Clar | Ireland | 52.6233333 | -9.2469444 | 0 | 3925 |
| Labbadiha Bridge | city | Tiobraid Arann | Ireland | 52.8019444 | -8.4022222 | 249 | 2627 |
| Labbadish | city | | Ireland | 54.9333333 | -7.6166667 | 219 | 2110 |
| Labbanacallee | city | Port Lairge | Ireland | 52.1797222 | -8.1030556 | 859 | 4498 |
| Labbasheeda | city | An Clar | Ireland | 52.6233333 | -9.2469444 | 0 | 3925 |
| Lack | city | Maigh Eo | Ireland | 53.9169444 | -9.1822222 | 98 | 1807 |
| Lackabaun | city | Ciarrai | Ireland | 51.8813889 | -9.3183333 | 1043 | 3564 |
| Lackagh | city | | Ireland | 53.3666667 | -8.8666667 | 85 | 2871 |
| Lackagh | city | Cill Dara | Ireland | 53.1625 | -7.01 | 255 | 6754 |
| Lackamore | city | Ciarrai | Ireland | 52.3311111 | -9.6644444 | 308 | 2413 |
| Lackan | city | County Donegal | Ireland | 54.6402778 | -8.055 | 249 | 2297 |
| Lackan | city | Cill Mhantain | Ireland | 53.1402778 | -6.4983333 | 889 | 4628 |
| Lackanastooka | city | Corcaigh | Ireland | 52.155 | -9.2325 | 636 | 3844 |
| Lackanatlieve | city | Sligeach | Ireland | 54.2036111 | -9.0513889 | 164 | 2347 |
| Lackareagh | city | Corcaigh | Ireland | 51.7647222 | -9.8941667 | 3 | 1909 |
| Lackareagh | city | Cill Dara | Ireland | 52.9652778 | -6.7952778 | 498 | 6854 |
| Lackbrooder | city | Ciarrai | Ireland | 52.2886111 | -9.3594444 | 695 | 2416 |
| Lackcrom | city | County Donegal | Ireland | 54.7033333 | -8.1177778 | 643 | 2245 |
| Lacknahaghny | city | Corcaigh | Ireland | 51.9625 | -8.9102778 | 941 | 5205 |
| Laconnell | city | County Donegal | Ireland | 54.7602778 | -8.4997222 | 629 | 1830 |
| Lady's Bridge | city | Laois | Ireland | 53.0733333 | -7.4302778 | 505 | 2773 |
| Lady's Odell | city | Corcaigh | Ireland | 51.6775 | -9.4922222 | 78 | 3654 |
| Ladysbridge | city | Corcaigh | Ireland | 51.8952778 | -8.0458333 | 164 | 5125 |
| Ladyʼs Bridge | city | Laois | Ireland | 53.0733333 | -7.4302778 | 505 | 2773 |
| Ladyʼs Odell | city | Corcaigh | Ireland | 51.6775 | -9.4922222 | 78 | 3654 |
| Laffansbridge | city | Tiobraid Arann | Ireland | 52.5752778 | -7.7202778 | 498 | 2860 |
| Lagacurry | city | County Donegal | Ireland | 55.31 | -7.3397222 | 170 | 1426 |
| Lagganstown | city | Tiobraid Arann | Ireland | 52.4580556 | -7.97 | 242 | 2867 |
| Laght Cross Roads | city | Tiobraid Arann | Ireland | 52.3211111 | -7.9919444 | 242 | 2875 |
| Laghtgannon | city | Gaillimh | Ireland | 53.4041667 | -9.2711111 | 127 | 2345 |
| Laghtgeorge | city | Gaillimh | Ireland | 53.355 | -8.9272222 | 55 | 2871 |
| Laghtyslaughnessy | city | Gaillimh | Ireland | 53.0441667 | -8.8522222 | 134 | 2861 |
| Laghy | city | County Donegal | Ireland | 54.6166667 | -8.1 | 150 | 2133 |
| Lagnadaraugh | city | County Donegal | Ireland | 55.0508333 | -7.3866667 | 6 | 4964 |
| Lahagh | city | Tiobraid Arann | Ireland | 52.8108333 | -7.7558333 | 479 | 2841 |
| Lahanagh | city | Sligeach | Ireland | 54.2391667 | -8.4236111 | 344 | 2654 |
| Laharan | city | Corcaigh | Ireland | 52.0633333 | -9.011111 | 613 | 5192 |
| Laharan Cross Roads | city | Corcaigh | Ireland | 52.0844444 | -8.7905556 | 875 | 5188 |
| Lahard | city | Corcaigh | Ireland | 51.7969444 | -8.1688889 | 3 | 3228 |
| Lahard | city | An Cabhan | Ireland | 53.9833333 | -7.5 | 298 | 2425 |
| Lahardane | city | Corcaigh | Ireland | 51.9277778 | -8.4533333 | 249 | 5209 |
| Lahardaun | city | Maigh Eo | Ireland | 54.0272222 | -9.3216667 | 232 | 1801 |
| Laheen | city | County Donegal | Ireland | 54.5377778 | -8.1388889 | 1053 | 2332 |
| Laherne | city | Corcaigh | Ireland | 51.6452778 | -8.5955556 | 0 | 3066 |
| Lahinch | city | An Clar | Ireland | 52.9366667 | -9.3452778 | 180 | 2113 |
| Lahordan | city | Sligeach | Ireland | 54.0927778 | -8.3083333 | 515 | 2635 |
| Lake Field | city | Ciarrai | Ireland | 52.0713889 | -9.8463889 | 167 | 2317 |
| Lake Village | city | Tiobraid Arann | Ireland | 53.0827778 | -8.0922222 | 209 | 2825 |
| Lakeview | city | Ciarrai | Ireland | 52.0630556 | -9.5988889 | 190 | 2427 |
| Lamanagh | city | Ciarrai | Ireland | 51.8675 | -10.3736111 | 787 | 1465 |
| Lambstown | city | Loch Garman | Ireland | 52.3813889 | -6.6086111 | 226 | 4044 |
| Landsdowne Bridge | city | County Limerick | Ireland | 52.6780556 | -8.6897222 | 3 | 3779 |
| Lanesborough | city | An Longfort | Ireland | 53.6666667 | -7.9833333 | 252 | 2061 |
| Lannaght | city | An Clar | Ireland | 53.0130556 | -8.7163889 | 249 | 2725 |
| Lanoge | city | Cill Chainnigh | Ireland | 52.4461111 | -7.3663889 | 564 | 3284 |
| Laputa | city | | Ireland | 54.4833333 | -8.1333333 | 239 | 2263 |
| Laracor | city | An Mhi | Ireland | 53.525 | -6.7822222 | 249 | 4176 |
| Laragh | city | Corcaigh | Ireland | 52.355 | -8.8330556 | 377 | 5263 |
| Laragh | city | County Monaghan | Ireland | 54.0452778 | -6.7736111 | 495 | 3494 |
| Laragh | city | Cill Dara | Ireland | 53.38 | -6.6641667 | 259 | 5852 |
| Laragh | city | Cill Mhantain | Ireland | 53.044444 | -6.2988889 | 1115 | 4565 |
| Laragh Beg | city | Gaillimh | Ireland | 53.3763889 | -8.7625 | 259 | 2870 |
| Laragh More | city | Gaillimh | Ireland | 53.3858333 | -8.7963889 | 216 | 2870 |
| Larah | city | An Cabhan | Ireland | 53.9933333 | -7.2158333 | 403 | 2425 |
| Larass | city | Sligeach | Ireland | 54.2719444 | -8.5933333 | 203 | 1036 |
| Larch Hill | city | | Ireland | 53.2 | -6.5833333 | 613 | 6875 |
| Larehill Cross Roads | city | Corcaigh | Ireland | 51.8791667 | -8.8580556 | 416 | 5215 |
| Largan | city | Maigh Eo | Ireland | 54.1377778 | -9.6611111 | 242 | 1793 |
| Largan | city | Maigh Eo | Ireland | 53.9605556 | -9.2497222 | 252 | 1806 |
| Largan | city | Sligeach | Ireland | 54.0908333 | -8.9341667 | 725 | 2421 |
| Largan | city | Sligeach | Ireland | 54.0202778 | -8.7125 | 265 | 2461 |
| Largan | city | Ros Comain | Ireland | 53.9480556 | -8.5469444 | 495 | 2105 |
| Largan | city | | Ireland | 53.9166667 | -7.3333333 | 498 | 2426 |
| Larganreagh | city | County Donegal | Ireland | 55.1991667 | -7.83 | 104 | 1501 |
| Largy | city | County Donegal | Ireland | 54.6294444 | -8.5127778 | 0 | 1709 |
| Largydonnell | city | County Leitrim | Ireland | 54.4111111 | -8.3194444 | 324 | 1470 |
| Larkfield | city | County Leitrim | Ireland | 54.2613889 | -8.1569444 | 613 | 1380 |
| Larkfield | city | Cill Dara | Ireland | 52.9788889 | -7.0555556 | 295 | 4231 |
| Larkin's Cross Roads | city | Laois | Ireland | 53.0841667 | -7.2944444 | 410 | 2759 |
| Larkins Cross Roads | city | Loch Garman | Ireland | 52.3363889 | -6.5597222 | 436 | 4038 |
| Larkinʼs Cross Roads | city | Laois | Ireland | 53.0841667 | -7.2944444 | 410 | 2759 |
| Lateeve | city | Ciarrai | Ireland | 51.8755556 | -10.3472222 | 728 | 1417 |
| Latnamard | city | County Monaghan | Ireland | 54.1741667 | -7.0580556 | 498 | 3483 |
| Latoon Bridge | city | An Clar | Ireland | 52.795 | -8.9216667 | 13 | 2511 |
| Lator's Cross Roads | city | Gaillimh | Ireland | 53.1336111 | -8.4622222 | 232 | 2885 |
| Latorʼs Cross Roads | city | Gaillimh | Ireland | 53.1336111 | -8.4622222 | 232 | 2885 |
| Latsey | city | An Cabhan | Ireland | 53.9872222 | -7.05 | 498 | 2425 |
| Lattacrom | city | County Monaghan | Ireland | 54.0669444 | -6.8427778 | 498 | 3478 |
| Lattin | city | Tiobraid Arann | Ireland | 52.4669444 | -8.2752778 | 524 | 3401 |
| Latton | city | County Monaghan | Ireland | 54.0697222 | -6.9480556 | 501 | 3262 |
| Laughil | city | Gaillimh | Ireland | 53.3063889 | -9.2127778 | 249 | 2874 |
| Laught | city | Laois | Ireland | 53.1719444 | -7.3805556 | 357 | 2730 |
| Laune Bridge | city | Ciarrai | Ireland | 52.0619444 | -9.6133333 | 190 | 2427 |
| Lauragh | city | Ciarrai | Ireland | 51.75 | -9.7666667 | 337 | 3273 |
| Lauragh Bridge | city | Ciarrai | Ireland | 51.7761111 | -9.7705556 | 249 | 2112 |
| Laurencetown | city | Gaillimh | Ireland | 53.2302778 | -8.18 | 249 | 2863 |
| Lavagh | city | Sligeach | Ireland | 54.1063889 | -8.6841667 | 314 | 2674 |
| Lavagh | city | County Offaly | Ireland | 53.1752778 | -8.0494444 | 183 | 2715 |
| Lavally | city | An Clar | Ireland | 52.7316667 | -9.0769444 | 108 | 2517 |
| Lavaur | city | County Leitrim | Ireland | 54.0775 | -8.0252778 | 413 | 1429 |
| Lavey | city | An Cabhan | Ireland | 53.9697222 | -7.2425 | 488 | 2425 |
| Laytown | city | An Mhi | Ireland | 53.6819444 | -6.2391667 | 0 | 5178 |
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