| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Lack | city | Maigh Eo | Ireland | 53.9169444 | -9.1822222 | 98 | 1807 |
| Lahardaun | city | Maigh Eo | Ireland | 54.0272222 | -9.3216667 | 232 | 1801 |
| Largan | city | Maigh Eo | Ireland | 54.1377778 | -9.6611111 | 242 | 1793 |
| Largan | city | Maigh Eo | Ireland | 53.9605556 | -9.2497222 | 252 | 1806 |
| Leamadartaun | city | Maigh Eo | Ireland | 54.033333 | -9.5380556 | 498 | 1801 |
| Leckanvy | city | Maigh Eo | Ireland | 53.775 | -9.6875 | 616 | 1096 |
| Leckee | city | Maigh Eo | Ireland | 53.9611111 | -9.1136111 | 108 | 1806 |
| Lenahaun | city | Maigh Eo | Ireland | 54.3041667 | -9.3002778 | 262 | 913 |
| Letter | city | Maigh Eo | Ireland | 53.8508333 | -9.4252778 | 203 | 1807 |
| Letterask | city | Maigh Eo | Ireland | 54.0188889 | -9.5636111 | 416 | 1801 |
| Letterbrick | city | Maigh Eo | Ireland | 54.0102778 | -9.4438889 | 475 | 1801 |
| Letterlough | city | Maigh Eo | Ireland | 53.9066667 | -9.5127778 | 147 | 1732 |
| Levally | city | Maigh Eo | Ireland | 53.9958333 | -9.3211111 | 177 | 1806 |
| Lislaughna | city | Maigh Eo | Ireland | 53.9741667 | -8.8641667 | 206 | 2211 |
| Lissaniska | city | Maigh Eo | Ireland | 54.0227778 | -9.1402778 | 134 | 1801 |
| Louisburgh | city | Maigh Eo | Ireland | 53.7666667 | -9.8166667 | 36 | 967 |
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