| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Maganey Bridge | city | Laois | Ireland | 52.91 | -6.94 | 170 | 4943 |
| Maighean Rátha | city | Laois | Ireland | 53.00 | -7.47 | 374 | 2778 |
| Mainistir Laoise | city | Laois | Ireland | 52.90 | -7.36 | 830 | 3306 |
| Maryboro' | city | Laois | Ireland | 53.03 | -7.30 | 830 | 12989 |
| Maryborough | city | Laois | Ireland | 53.03 | -7.30 | 830 | 12989 |
| Maryboro’ | city | Laois | Ireland | 53.03 | -7.30 | 830 | 12989 |
| Mayo | city | Laois | Ireland | 52.84 | -7.10 | 843 | 1943 |
| Meelick | city | Laois | Ireland | 53.01 | -7.30 | 830 | 12639 |
| Modubeagh | city | Laois | Ireland | 52.90 | -7.11 | 830 | 1769 |
| Monavea | city | Laois | Ireland | 52.83 | -7.07 | 967 | 1751 |
| Monnagh | city | Laois | Ireland | 52.99 | -7.61 | 400 | 1055 |
| Moore's Cross Roads | city | Laois | Ireland | 52.85 | -7.07 | 830 | 1727 |
| Moore’s Cross Roads | city | Laois | Ireland | 52.85 | -7.07 | 830 | 1727 |
| Moscow | city | Laois | Ireland | 52.86 | -7.10 | 830 | 2002 |
| Mountmellick | city | Laois | Ireland | 53.11 | -7.32 | 351 | 5095 |
| Mountrath | city | Laois | Ireland | 53.00 | -7.47 | 374 | 2778 |
| Moyadd Bridge | city | Laois | Ireland | 52.89 | -7.17 | 830 | 1878 |
| Mullaghanard Cross Roads | city | Laois | Ireland | 53.12 | -7.37 | 830 | 4009 |
| Mungan | city | Laois | Ireland | 52.47 | -6.95 | 314 | 2056 |
| Móinteach Mílic | city | Laois | Ireland | 53.11 | -7.32 | 351 | 5095 |