| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Deadu | city | Eastern Province | Sierra Leone | 8.7833333 | -11.2166667 | 1512 | 26660 |
| Deili | city | Northern Province | Sierra Leone | 9.15 | -12.5833333 | 249 | 9122 |
| Deilo | city | Northern Province | Sierra Leone | 9.15 | -12.5833333 | 249 | 9122 |
| Deima | city | Eastern Province | Sierra Leone | 7.9802778 | -11.2566667 | 485 | 7691 |
| 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 |
| Dema | city | Eastern Province | Sierra Leone | 8.3166667 | -11.3333333 | 515 | 7690 |
| Dema | city | Eastern Province | Sierra Leone | 8.1166667 | -10.8 | 646 | 7425 |
| Demaboa | city | Southern Province | Sierra Leone | 7.55 | -12 | 16 | 4382 |
| Demba | city | Northern Province | Sierra Leone | 9.1166667 | -12.5 | 59 | 5686 |
| Dembema | city | Eastern Province | Sierra Leone | 8.65 | -11.0833333 | 1233 | 26670 |
| Dendegahun | city | Southern Province | Sierra Leone | 7.4041667 | -11.4358333 | 232 | 4373 |
| Dendehun | city | Northern Province | Sierra Leone | 9.2666667 | -12.1333333 | 866 | 5171 |
| Dengedu | city | Eastern Province | Sierra Leone | 8.6333333 | -10.5166667 | 997 | 19596 |
| Denibe | city | Southern Province | Sierra Leone | 7.1 | -11.5333333 | 154 | 4373 |
| Dentema | city | Northern Province | Sierra Leone | 8.6944444 | -13.2108333 | 104 | 6038 |
| Denti | city | Northern Province | Sierra Leone | 8.6997222 | -13.2166667 | 88 | 6038 |
| Depea Water | city | Western Area | Sierra Leone | 8.3580556 | -13.0819444 | 360 | 9139 |
| Devil Hole | city | Western Area | Sierra Leone | 8.37 | -13.0933333 | 433 | 9011 |
| Dewadu | city | Eastern Province | Sierra Leone | 8.6 | -10.9166667 | 1482 | 26671 |
| Deyaw | city | Eastern Province | Sierra Leone | 8.5 | -10.7666667 | 1295 | 25950 |
|
|