| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Jibima | city | Western Area | Sierra Leone | 8.3052778 | -13.0686111 | 82 | 9101 |
| Joe Fakai | city | Western Area | Sierra Leone | 8.3202778 | -13.0319444 | 6 | 8854 |
| Joe Town | city | Western Area | Sierra Leone | 8.3202778 | -13.0319444 | 6 | 8854 |
| Joe Town | city | Western Area | Sierra Leone | 8.2894444 | -13.03 | 95 | 6706 |
| John Obey | city | Western Area | Sierra Leone | 8.2333333 | -13.1666667 | 0 | 2350 |
| Johntop | city | Western Area | Sierra Leone | 8.3980556 | -13.0877778 | 32 | 8584 |
| Jui | city | Western Area | Sierra Leone | 8.4133333 | -13.1361111 | 59 | 8321 |
| Juite Town | city | Western Area | Sierra Leone | 8.3908333 | -13.0830556 | 3 | 9081 |
| Jummu Town | city | Western Area | Sierra Leone | 8.2513889 | -13.0836111 | 167 | 8525 |
| Jungalau | city | Western Area | Sierra Leone | 8.3033333 | -13.0597222 | 75 | 9101 |
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