| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Lea More | city | County Offaly | Ireland | 53.2416667 | -7.7216667 | 223 | 2657 |
| Leaba Shioda | city | An Clar | Ireland | 52.6233333 | -9.2469444 | 0 | 3925 |
| Leaba Shíoda | city | An Clar | Ireland | 52.6233333 | -9.2469444 | 0 | 3925 |
| Leabeg | city | County Offaly | Ireland | 53.2325 | -7.7269444 | 226 | 2657 |
| Leabeg | city | Cill Mhantain | Ireland | 53.0805556 | -6.0672222 | 42 | 3222 |
| Leader's Bridge | city | Corcaigh | Ireland | 52.1391667 | -8.8991667 | 285 | 5184 |
| Leaderʼs Bridge | city | Corcaigh | Ireland | 52.1391667 | -8.8991667 | 285 | 5184 |
| Leagaun | city | Gaillimh | Ireland | 53.5252778 | -10.1247222 | 0 | 1521 |
| Leagaun | city | Gaillimh | Ireland | 53.3536111 | -9.1586111 | 59 | 2137 |
| Leaght | city | County Donegal | Ireland | 54.8161111 | -7.6475 | 209 | 2316 |
| Leaha Bridge | city | Ciarrai | Ireland | 52.1877778 | -9.3580556 | 623 | 2422 |
| Leahgarrow | city | County Donegal | Ireland | 54.9902778 | -8.5025 | 160 | 464 |
| Leamadartaun | city | Maigh Eo | Ireland | 54.033333 | -9.5380556 | 498 | 1801 |
| Leamhcan | city | Baile Atha Cliath | Ireland | 53.3591667 | -6.4388889 | 157 | 88470 |
| Leamhcán | city | Baile Atha Cliath | Ireland | 53.3591667 | -6.4388889 | 157 | 88470 |
| Leamlara | city | Corcaigh | Ireland | 51.9722222 | -8.2794444 | 498 | 5205 |
| Leamnaguila | city | Ciarrai | Ireland | 52.1380556 | -9.5358333 | 449 | 2423 |
| Leana | city | An Clar | Ireland | 52.9888889 | -9.0822222 | 259 | 2500 |
| Leanamore | city | Ciarrai | Ireland | 52.5308333 | -9.4344444 | 183 | 2402 |
| Leanevglissane | city | Ciarrai | Ireland | 52.1452778 | -9.3155556 | 606 | 2425 |
| Leansaghane | city | Ciarrai | Ireland | 52.5433333 | -9.6544444 | 246 | 2032 |
| Leap | city | Corcaigh | Ireland | 51.5925 | -9.13 | 249 | 5077 |
| Leary's Cross Roads | city | Corcaigh | Ireland | 51.8777778 | -8.7980556 | 439 | 5215 |
| Learyʼs Cross Roads | city | Corcaigh | Ireland | 51.8777778 | -8.7980556 | 439 | 5215 |
| Leatbeg | city | | Ireland | 55.1833333 | -7.75 | 3 | 1733 |
| Lecamy | city | | Ireland | 55.2333333 | -7.0833333 | 360 | 1816 |
| Lecarrow | city | Sligeach | Ireland | 54.2311111 | -8.7186111 | 209 | 2251 |
| Lecarrow | city | An Clar | Ireland | 52.9208333 | -8.6244444 | 236 | 2503 |
| Lecarrow | city | Gaillimh | Ireland | 53.2133333 | -8.4936111 | 249 | 2881 |
| Lecarrow | city | County Leitrim | Ireland | 54.1447222 | -8.0991667 | 190 | 1474 |
| Lecarrow | city | | Ireland | 53.55 | -8.05 | 223 | 1527 |
| Leck | city | An Cabhan | Ireland | 54.2980556 | -7.9352778 | 374 | 2403 |
| Leckanarainey | city | County Leitrim | Ireland | 54.3572222 | -8.2447222 | 459 | 1377 |
| Leckanvy | city | Maigh Eo | Ireland | 53.775 | -9.6875 | 616 | 1096 |
| Leckaun | city | County Leitrim | Ireland | 54.2772222 | -8.28 | 456 | 1380 |
| Leckee | city | Maigh Eo | Ireland | 53.9611111 | -9.1136111 | 108 | 1806 |
| Leckemy | city | | Ireland | 55.2333333 | -7.0833333 | 360 | 1816 |
| Ledonigan | city | An Cabhan | Ireland | 53.9430556 | -7.075 | 495 | 2426 |
| Leenane | city | | Ireland | 53.6 | -9.6833333 | 380 | 2274 |
| Leenaun | city | | Ireland | 53.6 | -9.6833333 | 380 | 2274 |
| Legan | city | An Longfort | Ireland | 53.6166667 | -7.6166667 | 236 | 2847 |
| Legga | city | An Longfort | Ireland | 53.9 | -7.6666667 | 357 | 2099 |
| Leggah | city | An Longfort | Ireland | 53.9 | -7.6666667 | 357 | 2099 |
| Legland | city | County Donegal | Ireland | 54.8727778 | -7.7680556 | 387 | 2314 |
| Legnagrow | city | An Cabhan | Ireland | 54.2125 | -7.9052778 | 590 | 2447 |
| Legnahoory | city | County Donegal | Ireland | 55.036111 | -7.8047222 | 360 | 2304 |
| Lehardan | city | County Donegal | Ireland | 55.1430556 | -7.5644444 | 246 | 1401 |
| Lehenagh | city | Corcaigh | Ireland | 51.5952778 | -8.7752778 | 3 | 3647 |
| Lehinch | city | An Clar | Ireland | 52.9366667 | -9.3452778 | 180 | 2113 |
| Leic Snamha | city | Ciarrai | Ireland | 52.4055556 | -9.6169444 | 223 | 2409 |
| Leic Snámha | city | Ciarrai | Ireland | 52.4055556 | -9.6169444 | 223 | 2409 |
| Leifear | city | County Donegal | Ireland | 54.8319444 | -7.4836111 | 42 | 3175 |
| Leighlinbridge | city | County Carlow | Ireland | 52.7363889 | -6.9725 | 124 | 4156 |
| Leim an Bhradain | city | Cill Dara | Ireland | 53.3658333 | -6.4955556 | 154 | 60119 |
| Leithghlinn an Droichid | city | County Carlow | Ireland | 52.7363889 | -6.9725 | 124 | 4156 |
| Leitir Ceanainn | city | County Donegal | Ireland | 54.95 | -7.7333333 | 173 | 2310 |
| Leitir Fraic | city | Gaillimh | Ireland | 53.55 | -9.95 | 269 | 2292 |
| Leitir Meallain | city | Gaillimh | Ireland | 53.245 | -9.7386111 | 3 | 416 |
| Leitir Mealláin | city | Gaillimh | Ireland | 53.245 | -9.7386111 | 3 | 416 |
| Leitir Mhic an Bhaird | city | County Donegal | Ireland | 54.8480556 | -8.3163889 | 134 | 2194 |
| Leitrim | city | Gaillimh | Ireland | 53.1572222 | -8.4541667 | 236 | 2885 |
| Leitrim | city | County Leitrim | Ireland | 53.9908333 | -8.0636111 | 232 | 1519 |
| Leitrim | city | County Monaghan | Ireland | 54.2702778 | -6.8897222 | 209 | 3862 |
| Leitry Bridge | city | Corcaigh | Ireland | 51.7047222 | -9.2661111 | 938 | 5237 |
| Leixlip | city | Cill Dara | Ireland | 53.3658333 | -6.4955556 | 154 | 60119 |
| Lelagh | city | Tiobraid Arann | Ireland | 53.1041667 | -8.0233333 | 219 | 2803 |
| Lemacraig | city | County Donegal | Ireland | 54.5691667 | -7.8552778 | 393 | 2057 |
| Lemanaghan | city | County Offaly | Ireland | 53.2888889 | -7.7466667 | 242 | 2654 |
| Lemgare | city | County Monaghan | Ireland | 54.2025 | -6.7911111 | 498 | 4682 |
| Lemgare Rocks | city | County Monaghan | Ireland | 54.1919444 | -6.7697222 | 498 | 4682 |
| Lemonstown Cross Roads | city | County Carlow | Ireland | 53.0836111 | -6.6352778 | 770 | 6160 |
| Lemybrien | city | Port Lairge | Ireland | 52.1680556 | -7.5222222 | 236 | 4697 |
| Lenahaun | city | Maigh Eo | Ireland | 54.3041667 | -9.3002778 | 262 | 913 |
| Lenamore | city | An Longfort | Ireland | 53.6166667 | -7.6166667 | 236 | 2847 |
| Lenamore | city | County Donegal | Ireland | 55.0544444 | -7.3133333 | 13 | 10103 |
| Lenan | city | County Donegal | Ireland | 55.2505556 | -7.5158333 | 347 | 845 |
| Lenankeel | city | County Donegal | Ireland | 55.2405556 | -7.5161111 | 564 | 1256 |
| Lennaght | city | County Monaghan | Ireland | 54.285 | -7.1627778 | 387 | 3275 |
| Lenstown | city | Sligeach | Ireland | 54.2897222 | -9.0188889 | 9 | 1723 |
| Leopardstown | city | Baile Atha Cliath | Ireland | 53.2683333 | -6.1997222 | 282 | 84907 |
| Lergynasearhagh | city | County Donegal | Ireland | 54.7241667 | -8.5641667 | 508 | 2064 |
| Lerrig | city | Ciarrai | Ireland | 52.35 | -9.75 | 219 | 2412 |
| Leslie Hill | city | County Donegal | Ireland | 54.9358333 | -7.6263889 | 203 | 2103 |
| Letter | city | Corcaigh | Ireland | 51.5697222 | -9.5108333 | 249 | 4477 |
| Letter | city | Ciarrai | Ireland | 51.8908333 | -9.4861111 | 518 | 2436 |
| Letter | city | Maigh Eo | Ireland | 53.8508333 | -9.4252778 | 203 | 1807 |
| Letter | city | Corcaigh | Ireland | 51.6538889 | -8.9452778 | 249 | 5204 |
| Letter | city | County Leitrim | Ireland | 54.1641667 | -8.1697222 | 462 | 1785 |
| Letter Cross Roads | city | County Offaly | Ireland | 53.0888889 | -7.6241667 | 1289 | 2735 |
| Letter More | city | Gaillimh | Ireland | 53.5788889 | -10.0158333 | 0 | 1945 |
| Lettera | city | | Ireland | 53.6 | -8.6 | 249 | 2856 |
| Letterask | city | Maigh Eo | Ireland | 54.0188889 | -9.5636111 | 416 | 1801 |
| Letterbarra | city | County Donegal | Ireland | 54.6905556 | -8.1816667 | 246 | 2150 |
| Letterbrick | city | Maigh Eo | Ireland | 54.0102778 | -9.4438889 | 475 | 1801 |
| Letterdunane | city | Ciarrai | Ireland | 51.8283333 | -9.57 | 616 | 3120 |
| Letterfinish | city | Ciarrai | Ireland | 51.8666667 | -9.8166667 | 515 | 1896 |
| Letterfrack | city | Gaillimh | Ireland | 53.55 | -9.95 | 269 | 2292 |
| Lettergarriv | city | Ciarrai | Ireland | 51.9402778 | -9.9005556 | 524 | 2436 |
| Lettergull | city | County Donegal | Ireland | 54.8958333 | -7.5275 | 45 | 2319 |
| Letterkenny | city | County Donegal | Ireland | 54.95 | -7.7333333 | 173 | 2310 |
| Letterkilley | city | County Donegal | Ireland | 54.7944444 | -7.9963889 | 695 | 2315 |
| Letterleague | city | County Donegal | Ireland | 54.9202778 | -7.7822222 | 465 | 2310 |
| Letterlicky Bridge | city | Corcaigh | Ireland | 51.6466667 | -9.4544444 | 393 | 4972 |
| Letterlough | city | Maigh Eo | Ireland | 53.9066667 | -9.5127778 | 147 | 1732 |
| Lettermacaward | city | County Donegal | Ireland | 54.8480556 | -8.3163889 | 134 | 2194 |
| Lettermakenny | city | County Donegal | Ireland | 54.8283333 | -7.7872222 | 1440 | 2315 |
| Lettermore | city | Gaillimh | Ireland | 53.3838889 | -9.5005556 | 318 | 2746 |
| Lettermore | city | County Donegal | Ireland | 54.7116667 | -8.2422222 | 209 | 2321 |
| Lettermullan | city | Gaillimh | Ireland | 53.245 | -9.7386111 | 3 | 416 |
| Leugh | city | Tiobraid Arann | Ireland | 52.6166667 | -8.1833333 | 980 | 3486 |
| Levally | city | Maigh Eo | Ireland | 53.9958333 | -9.3211111 | 177 | 1806 |
| Leyny | city | Sligeach | Ireland | 54.17 | -8.6033333 | 249 | 2357 |
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