| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Lackanatlieve | city | Sligeach | Ireland | 54.2036111 | -9.0513889 | 164 | 2347 |
| Lahanagh | city | Sligeach | Ireland | 54.2391667 | -8.4236111 | 344 | 2654 |
| Lahordan | city | Sligeach | Ireland | 54.0927778 | -8.3083333 | 515 | 2635 |
| Larass | city | Sligeach | Ireland | 54.2719444 | -8.5933333 | 203 | 1036 |
| Largan | city | Sligeach | Ireland | 54.0908333 | -8.9341667 | 725 | 2421 |
| Largan | city | Sligeach | Ireland | 54.0202778 | -8.7125 | 265 | 2461 |
| Lavagh | city | Sligeach | Ireland | 54.1063889 | -8.6841667 | 314 | 2674 |
| Lecarrow | city | Sligeach | Ireland | 54.2311111 | -8.7186111 | 209 | 2251 |
| Lenstown | city | Sligeach | Ireland | 54.2897222 | -9.0188889 | 9 | 1723 |
| Leyny | city | Sligeach | Ireland | 54.17 | -8.6033333 | 249 | 2357 |
| Lisgorey | city | Sligeach | Ireland | 54.29 | -8.4280556 | 239 | 2629 |
| Liskeagh | city | Sligeach | Ireland | 54.055556 | -8.4316667 | 662 | 2675 |
| Lissaneeny | city | Sligeach | Ireland | 54.1633333 | -8.3980556 | 249 | 2668 |
| Lugdoon | city | Sligeach | Ireland | 54.2308333 | -8.7997222 | 314 | 2121 |
| Lugnadeffa | city | Sligeach | Ireland | 54.2022222 | -8.5855556 | 328 | 2357 |
| Lugnagall | city | Sligeach | Ireland | 54.3288889 | -8.4225 | 715 | 2595 |
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