| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Beal Atha Bhearaigh | city | Mayo | Ireland | 53.89 | -9.15 | 203 | 1810 |
| Beal Atha hAmhnais | city | Mayo | Ireland | 53.77 | -8.77 | 239 | 3153 |
| Beal Deirg | city | Mayo | Ireland | 54.30 | -9.55 | 305 | 104 |
| Beal Easa | city | Mayo | Ireland | 53.98 | -9.12 | 157 | 2090 |
| Beal an Mhuirthead | city | Mayo | Ireland | 54.23 | -9.99 | 3 | 1765 |
| Beal an Átha Bhui | city | Mayo | Ireland | 54.24 | -9.79 | 249 | 838 |
| Beannchar Iorrais | city | Mayo | Ireland | 54.14 | -9.74 | 314 | 462 |
| Bearanach Thiar | city | Mayo | Ireland | 54.17 | -10.08 | 3 | 693 |
| Bearanach Thoir | city | Mayo | Ireland | 54.17 | -10.06 | 0 | 717 |
| Beeal yn Aah | city | Mayo | Ireland | 54.12 | -9.17 | 19 | 10932 |
| Behy Bridge | city | Mayo | Ireland | 54.11 | -9.09 | 101 | 6070 |
| Bekan | city | Mayo | Ireland | 53.75 | -8.85 | 252 | 1841 |
| Belcarra | city | Mayo | Ireland | 53.80 | -9.21 | 147 | 2249 |
| Belclare | city | Mayo | Ireland | 53.79 | -9.57 | 101 | 5334 |
| Belderg | city | Mayo | Ireland | 54.30 | -9.55 | 305 | 104 |
| Belfarsad | city | Mayo | Ireland | 53.92 | -9.91 | 364 | 696 |
| Belgarrow | city | Mayo | Ireland | 53.99 | -9.10 | 275 | 1915 |
| Bellaburke | city | Mayo | Ireland | 53.77 | -9.37 | 219 | 1217 |
| Bellacorick | city | Mayo | Ireland | 54.12 | -9.58 | 249 | 111 |
| Bellacorick Bridge | city | Mayo | Ireland | 54.12 | -9.58 | 249 | 111 |
| Belladooan | city | Mayo | Ireland | 54.20 | -9.34 | 193 | 967 |
| Bellagarvaun | city | Mayo | Ireland | 54.00 | -9.78 | 288 | 206 |
| Bellanaboy | city | Mayo | Ireland | 54.24 | -9.79 | 249 | 838 |
| Bellanaboy Bridge | city | Mayo | Ireland | 54.22 | -9.75 | 206 | 618 |
| Bellanacarra | city | Mayo | Ireland | 53.99 | -8.91 | 170 | 1963 |
| Bellanasally | city | Mayo | Ireland | 53.99 | -10.04 | 209 | 867 |
| Bellass | city | Mayo | Ireland | 53.98 | -9.13 | 55 | 2169 |
| Bellataleen | city | Mayo | Ireland | 53.77 | -9.63 | 944 | 703 |
| Bellavary | city | Mayo | Ireland | 53.89 | -9.15 | 203 | 1810 |
| Bellaveeny | city | Mayo | Ireland | 53.98 | -9.80 | 88 | 229 |
| Belmuliet | city | Mayo | Ireland | 54.23 | -9.99 | 3 | 1765 |
| Belmullet | city | Mayo | Ireland | 54.23 | -9.99 | 3 | 1765 |
| Beltra | city | Mayo | Ireland | 53.94 | -9.38 | 830 | 437 |
| Belville | city | Mayo | Ireland | 54.16 | -9.35 | 183 | 1015 |