| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Labbadiha Bridge | city | Tiobraid Arann | Ireland | 52.8019444 | -8.4022222 | 249 | 2627 |
| Laffansbridge | city | Tiobraid Arann | Ireland | 52.5752778 | -7.7202778 | 498 | 2860 |
| Lagganstown | city | Tiobraid Arann | Ireland | 52.4580556 | -7.97 | 242 | 2867 |
| Laght Cross Roads | city | Tiobraid Arann | Ireland | 52.3211111 | -7.9919444 | 242 | 2875 |
| Lahagh | city | Tiobraid Arann | Ireland | 52.8108333 | -7.7558333 | 479 | 2841 |
| Lake Village | city | Tiobraid Arann | Ireland | 53.0827778 | -8.0922222 | 209 | 2825 |
| Lattin | city | Tiobraid Arann | Ireland | 52.4669444 | -8.2752778 | 524 | 3401 |
| Lelagh | city | Tiobraid Arann | Ireland | 53.1041667 | -8.0233333 | 219 | 2803 |
| Leugh | city | Tiobraid Arann | Ireland | 52.6166667 | -8.1833333 | 980 | 3486 |
| Limerick Junction | city | Tiobraid Arann | Ireland | 52.4994444 | -8.2 | 436 | 2926 |
| Lisduff Bridge | city | Tiobraid Arann | Ireland | 52.6905556 | -7.5363889 | 498 | 3158 |
| Lisheen Cross Roads | city | Tiobraid Arann | Ireland | 52.7611111 | -7.7308333 | 436 | 2847 |
| Lisronagh | city | Tiobraid Arann | Ireland | 52.4180556 | -7.7038889 | 229 | 2867 |
| Lissatunny | city | Tiobraid Arann | Ireland | 52.8466667 | -8.1758333 | 249 | 2842 |
| Littleton | city | Tiobraid Arann | Ireland | 52.6394444 | -7.7380556 | 429 | 2853 |
| Loch Ceann | city | Tiobraid Arann | Ireland | 52.44 | -7.8825 | 311 | 2867 |
| Longfordpass Bridge | city | Tiobraid Arann | Ireland | 52.6966667 | -7.6308333 | 442 | 2890 |
| Longfordpass North | city | Tiobraid Arann | Ireland | 52.7080556 | -7.6647222 | 433 | 2890 |
| Lorrha | city | Tiobraid Arann | Ireland | 53.0905556 | -8.1211111 | 183 | 2784 |
| Losset | city | Tiobraid Arann | Ireland | 52.6388889 | -8.1377778 | 987 | 2934 |
| Loughcapple Bridge | city | Tiobraid Arann | Ireland | 52.4308333 | -7.6488889 | 167 | 2867 |
| Loughmoe | city | Tiobraid Arann | Ireland | 52.7555556 | -7.8266667 | 357 | 2846 |
| Loughtally | city | Tiobraid Arann | Ireland | 52.3530556 | -7.7833333 | 144 | 3396 |
| Luska | city | Tiobraid Arann | Ireland | 52.9533333 | -8.2658333 | 459 | 2073 |
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