| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Niagulahun | city | Eastern Province | Sierra Leone | 8.35 | -10.8166667 | 902 | 8432 |
| Niagwehun | city | Southern Province | Sierra Leone | 8.3666667 | -11.6 | 1076 | 5691 |
| Niahalahun | city | Southern Province | Sierra Leone | 8.1666667 | -12.2 | 275 | 4421 |
| Niama | city | Southern Province | Sierra Leone | 7.9575 | -11.3630556 | 337 | 7560 |
| Niayama | city | Southern Province | Sierra Leone | 7.4266667 | -11.4902778 | 223 | 4373 |
| Niewoma | city | Eastern Province | Sierra Leone | 7.95 | -10.6166667 | 971 | 5626 |
| Nikiba | city | Eastern Province | Sierra Leone | 7.9272222 | -11.0527778 | 570 | 7556 |
| Nikihun | city | Southern Province | Sierra Leone | 8.1 | -12.0166667 | 269 | 4424 |
| Nimia | city | Northern Province | Sierra Leone | 9.5833333 | -11.4333333 | 1486 | 2380 |
| Nine Miles | city | Western Area | Sierra Leone | 8.3666667 | -12.95 | 6 | 9147 |
| Niti | city | Southern Province | Sierra Leone | 8.0833333 | -12.2 | 249 | 4424 |
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