| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Daambu | city | Northern Province | Sierra Leone | 9.3333333 | -12 | 318 | 5171 |
| Dada | city | Northern Province | Sierra Leone | 9.5166667 | -12.2666667 | 311 | 5167 |
| Dagure | city | Northern Province | Sierra Leone | 9.75 | -11.3166667 | 1532 | 2380 |
| Dakaia | city | Northern Province | Sierra Leone | 9.3666667 | -11.25 | 1400 | 2380 |
| Dakanene | city | Northern Province | Sierra Leone | 9.4833333 | -12.6 | 242 | 8672 |
| Dakokalia | city | Northern Province | Sierra Leone | 9.4666667 | -10.8833333 | 1610 | 2309 |
| Dakunaia | city | Northern Province | Sierra Leone | 9.55 | -11.5833333 | 1502 | 2380 |
| Dakunaia | city | Northern Province | Sierra Leone | 9.5666667 | -11.5666667 | 1496 | 2380 |
| Dalmusaia | city | Northern Province | Sierra Leone | 9.7833333 | -11.2166667 | 1489 | 2380 |
| Danda | city | Northern Province | Sierra Leone | 8.85 | -11.7333333 | 551 | 5451 |
| Dandafara | city | Northern Province | Sierra Leone | 9.2833333 | -10.6833333 | 2089 | 2070 |
| Dandaia | city | Northern Province | Sierra Leone | 9.8833333 | -12.2166667 | 534 | 4498 |
| Dandaya | city | Northern Province | Sierra Leone | 8.8833333 | -11.65 | 1128 | 5451 |
| Dandu | city | Northern Province | Sierra Leone | 8.9833333 | -10.75 | 2473 | 10274 |
| Dankan | city | Northern Province | Sierra Leone | 9.2166667 | -11.6833333 | 1072 | 2653 |
| Dankan | city | Northern Province | Sierra Leone | 9.4 | -11.3833333 | 1505 | 2380 |
| Dankankuma | city | Northern Province | Sierra Leone | 9.6166667 | -11.55 | 1502 | 2380 |
| Dankawali | city | Northern Province | Sierra Leone | 9.6333333 | -11.3333333 | 1496 | 2380 |
| Dankowolia | city | Northern Province | Sierra Leone | 8.9166667 | -11.6 | 1410 | 5451 |
| Dankwali | city | Northern Province | Sierra Leone | 9.6333333 | -11.3333333 | 1496 | 2380 |
| Dansadia | city | Northern Province | Sierra Leone | 9.9833333 | -11.2333333 | 1499 | 2062 |
| Dansaia | city | Northern Province | Sierra Leone | 9.9333333 | -11.2166667 | 1446 | 2349 |
| Dar-es-Salaam | city | Northern Province | Sierra Leone | 9.3166667 | -11.9166667 | 459 | 5171 |
| Dar-es-Salaam | city | Northern Province | Sierra Leone | 9.7333333 | -11.8333333 | 1391 | 2380 |
| Dar-es-Salaam | city | Northern Province | Sierra Leone | 9.6333333 | -11.4666667 | 1446 | 2380 |
| Dar-es-Salam | city | Northern Province | Sierra Leone | 9.3166667 | -11.9166667 | 459 | 5171 |
| Dar-es-Selaam | city | Northern Province | Sierra Leone | 9.3166667 | -11.9166667 | 459 | 5171 |
| Darakuru | city | Northern Province | Sierra Leone | 9.2 | -11.5333333 | 1889 | 3363 |
| Dare | city | Northern Province | Sierra Leone | 8.6502778 | -13.05 | 3 | 9139 |
| Darina | city | Northern Province | Sierra Leone | 9.2833333 | -11.9 | 807 | 4971 |
| Dawambu | city | Northern Province | Sierra Leone | 9.25 | -12.0333333 | 301 | 5171 |
| Dawia | city | Northern Province | Sierra Leone | 8.8833333 | -11.55 | 1095 | 5442 |
| Dawule | city | Northern Province | Sierra Leone | 9.15 | -11.1166667 | 2923 | 2380 |
| Deili | city | Northern Province | Sierra Leone | 9.15 | -12.5833333 | 249 | 9122 |
| Deilo | city | Northern Province | Sierra Leone | 9.15 | -12.5833333 | 249 | 9122 |
| Demba | city | Northern Province | Sierra Leone | 9.1166667 | -12.5 | 59 | 5686 |
| Dendehun | city | Northern Province | Sierra Leone | 9.2666667 | -12.1333333 | 866 | 5171 |
| Dentema | city | Northern Province | Sierra Leone | 8.6944444 | -13.2108333 | 104 | 6038 |
| Denti | city | Northern Province | Sierra Leone | 8.6997222 | -13.2166667 | 88 | 6038 |
| Dian Sokurela | city | Northern Province | Sierra Leone | 9.35 | -11.5166667 | 1036 | 2380 |
| Dibia | city | Northern Province | Sierra Leone | 9.0833333 | -12.85 | 121 | 8848 |
| Dibo | city | Northern Province | Sierra Leone | 9.4 | -12.4333333 | 236 | 7709 |
| Didia | city | Northern Province | Sierra Leone | 9.65 | -11.4166667 | 1496 | 2380 |
| Dintilipan | city | Northern Province | Sierra Leone | 9.055 | -13.2144444 | 144 | 6622 |
| Domliyan | city | Northern Province | Sierra Leone | 8.9833333 | -11.85 | 492 | 5390 |
| Donia | city | Northern Province | Sierra Leone | 9.75 | -12.2666667 | 374 | 5166 |
| Duago | city | Northern Province | Sierra Leone | 9.2333333 | -11.9 | 734 | 5110 |
| Duako | city | Northern Province | Sierra Leone | 9.85 | -11.2833333 | 1496 | 2380 |
| Dubaia | city | Northern Province | Sierra Leone | 9.7333333 | -12.0666667 | 531 | 5138 |
| Dubaia | city | Northern Province | Sierra Leone | 9.5166667 | -11.9666667 | 485 | 3425 |
| Dugaia | city | Northern Province | Sierra Leone | 9.7166667 | -12.5 | 298 | 4935 |
| Dugulama | city | Northern Province | Sierra Leone | 9.4 | -10.85 | 1932 | 2266 |
| Dukono | city | Northern Province | Sierra Leone | 9.3666667 | -11.4333333 | 1489 | 2380 |
| Duladi | city | Northern Province | Sierra Leone | 9.5 | -12.65 | 246 | 7158 |
| Dulema | city | Northern Province | Sierra Leone | 9.2833333 | -10.85 | 1889 | 2380 |
| Dumbaia | city | Northern Province | Sierra Leone | 9.8833333 | -12.2666667 | 764 | 4509 |
| Dunduko | city | Northern Province | Sierra Leone | 9.5166667 | -11.4 | 1499 | 2380 |
| Durukoro | city | Northern Province | Sierra Leone | 9.0166667 | -10.7166667 | 2431 | 5080 |
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