| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Dablama | city | Southern Province | Sierra Leone | 7.5927778 | -12.8322222 | 29 | 2495 |
| Dabu | city | Southern Province | Sierra Leone | 8.0833333 | -12.6166667 | 137 | 4424 |
| Dahama | city | Southern Province | Sierra Leone | 8.05 | -11.3333333 | 383 | 7580 |
| Dama | city | Southern Province | Sierra Leone | 7.4027778 | -12.3347222 | 59 | 3129 |
| Dama | city | Southern Province | Sierra Leone | 7.2244444 | -11.8591667 | 65 | 4209 |
| Dama | city | Southern Province | Sierra Leone | 7.7 | -11.8333333 | 337 | 5308 |
| Dambaba | city | Southern Province | Sierra Leone | 8.1166667 | -11.7 | 354 | 5521 |
| Dambara | city | Southern Province | Sierra Leone | 8.35 | -11.7833333 | 232 | 5517 |
| Dambara | city | Southern Province | Sierra Leone | 7.3833333 | -11.7 | 275 | 4373 |
| Dambara | city | Southern Province | Sierra Leone | 8.1166667 | -11.7 | 354 | 5521 |
| Dambu | city | Southern Province | Sierra Leone | 8.1833333 | -12.45 | 262 | 4421 |
| Dambu | city | Southern Province | Sierra Leone | 8.3166667 | -11.5166667 | 994 | 6264 |
| Danda | city | Southern Province | Sierra Leone | 7.5538889 | -12.6338889 | 22 | 3710 |
| Dandabu | city | Southern Province | Sierra Leone | 7.55 | -11.85 | 285 | 4757 |
| Dandabu | city | Southern Province | Sierra Leone | 7.4766667 | -11.6847222 | 344 | 4372 |
| Dandabu | city | Southern Province | Sierra Leone | 8.15 | -11.65 | 511 | 5521 |
| Dandegahun | city | Southern Province | Sierra Leone | 7.4041667 | -11.4358333 | 232 | 4373 |
| Dar-es-Salaam | city | Southern Province | Sierra Leone | 7.0919444 | -11.5247222 | 173 | 4373 |
| Dawambu | city | Southern Province | Sierra Leone | 8.1166667 | -11.4666667 | 774 | 5521 |
| Delken | city | Southern Province | Sierra Leone | 7.6247222 | -12.7408333 | 3 | 2800 |
| Delkin | city | Southern Province | Sierra Leone | 7.6247222 | -12.7408333 | 3 | 2800 |
| Dema | city | Southern Province | Sierra Leone | 7.45 | -11.95 | 187 | 3942 |
| Dema | city | Southern Province | Sierra Leone | 7.55 | -11.9166667 | 232 | 4740 |
| Dema | city | Southern Province | Sierra Leone | 7.9833333 | -11.3833333 | 511 | 6597 |
| Demaboa | city | Southern Province | Sierra Leone | 7.55 | -12 | 16 | 4382 |
| Dendegahun | city | Southern Province | Sierra Leone | 7.4041667 | -11.4358333 | 232 | 4373 |
| Denibe | city | Southern Province | Sierra Leone | 7.1 | -11.5333333 | 154 | 4373 |
| Dia | city | Southern Province | Sierra Leone | 7.8122222 | -11.4311111 | 485 | 6843 |
| Dia | city | Southern Province | Sierra Leone | 7.3305556 | -11.3905556 | 252 | 4373 |
| Dia | city | Southern Province | Sierra Leone | 7.0833333 | -11.35 | 275 | 2449 |
| Diamani | city | Southern Province | Sierra Leone | 7.2305556 | -11.9022222 | 55 | 3869 |
| Diamei | city | Southern Province | Sierra Leone | 7.4333333 | -11.6666667 | 318 | 4373 |
| Diamei | city | Southern Province | Sierra Leone | 7.4338889 | -11.6588889 | 324 | 4373 |
| Diamein | city | Southern Province | Sierra Leone | 7.4338889 | -11.6588889 | 324 | 4373 |
| Dibia | city | Southern Province | Sierra Leone | 7.9166667 | -12.95 | 42 | 1119 |
| Dibia | city | Southern Province | Sierra Leone | 7.4666667 | -12.5333333 | 3 | 2309 |
| Dibia | city | Southern Province | Sierra Leone | 7.1933333 | -11.9330556 | 39 | 2046 |
| Dibia | city | Southern Province | Sierra Leone | 6.9891667 | -11.5983333 | 0 | 1454 |
| Dibid | city | Southern Province | Sierra Leone | 6.9891667 | -11.5983333 | 0 | 1454 |
| Dikpaya | city | Southern Province | Sierra Leone | 7.8333333 | -11.7833333 | 141 | 5524 |
| Dina | city | Southern Province | Sierra Leone | 7.5833333 | -11.7166667 | 334 | 4525 |
| Dinga | city | Southern Province | Sierra Leone | 7.4166667 | -12.5611111 | 62 | 1647 |
| Dipala | city | Southern Province | Sierra Leone | 7.5 | -12.1333333 | 75 | 3780 |
| Disalami | city | Southern Province | Sierra Leone | 7.2361111 | -11.26 | 328 | 2702 |
| Diyange | city | Southern Province | Sierra Leone | 7.3069444 | -11.6144444 | 236 | 4373 |
| Dodo | city | Southern Province | Sierra Leone | 7.9833333 | -12.5833333 | 39 | 4424 |
| Dodo | city | Southern Province | Sierra Leone | 7.4933333 | -12.2166667 | 104 | 3780 |
| Dodo | city | Southern Province | Sierra Leone | 8.0833333 | -11.8833333 | 200 | 5066 |
| Dodo | city | Southern Province | Sierra Leone | 7.8663889 | -11.7488889 | 190 | 5521 |
| Dogema | city | Southern Province | Sierra Leone | 7.8716667 | -12.1783333 | 167 | 4999 |
| Domboma | city | Southern Province | Sierra Leone | 8.0544444 | -12.0816667 | 209 | 4557 |
| Dombu | city | Southern Province | Sierra Leone | 7.3166667 | -11.2666667 | 485 | 4373 |
| Domo | city | Southern Province | Sierra Leone | 7.7911111 | -12.7205556 | 3 | 3543 |
| Doumbu | city | Southern Province | Sierra Leone | 7.3166667 | -11.2666667 | 485 | 4373 |
| Dowoloma | city | Southern Province | Sierra Leone | 7.2166667 | -11.4 | 288 | 4373 |
| Dowoma | city | Southern Province | Sierra Leone | 7.2166667 | -11.4 | 288 | 4373 |
| Dudia | city | Southern Province | Sierra Leone | 7.4 | -11.95 | 160 | 3896 |
| Dulipuibu | city | Southern Province | Sierra Leone | 7.7958333 | -12.0436111 | 200 | 5523 |
| Dumagbe | city | Southern Province | Sierra Leone | 7.0811111 | -11.6169444 | 147 | 4041 |
| Dumagbe | city | Southern Province | Sierra Leone | 7.2563889 | -11.4069444 | 252 | 4373 |
| Duvubu | city | Southern Province | Sierra Leone | 8.4333333 | -11.55 | 921 | 7022 |
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