| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Sebango | city | Departement de )) (( Niamey | Niger | 14.25 | 1 | 997 | 3416 |
| Sebangou | city | Departement de )) (( Niamey | Niger | 14.25 | 1 | 997 | 3416 |
| Seberi | city | Departement de )) (( Niamey | Niger | 13.2952778 | 2.345 | 515 | 15307 |
| Seberi Zarma | city | Departement de )) (( Niamey | Niger | 13.2952778 | 2.345 | 515 | 15307 |
| Sedi | city | Departement de )) (( Niamey | Niger | 14.3333333 | 0.75 | 990 | 3413 |
| Sedige | city | Departement de Diffa | Niger | 14.4333333 | 13.2 | 997 | 33 |
| Sedige | city | Departement de Diffa | Niger | 14.45 | 13.2 | 944 | 33 |
| Sedigue | city | Departement de Diffa | Niger | 14.4333333 | 13.2 | 997 | 33 |
| Sedigue | city | Departement de Diffa | Niger | 14.45 | 13.2 | 944 | 33 |
| Sedouaram | city | Departement de Diffa | Niger | 15.75 | 13.15 | 1210 | 28 |
| Sefala | city | Departement de )) (( Niamey | Niger | 14.9333333 | 3.6666667 | 820 | 2464 |
| Seguedine | city | Departement d' Agadez | Niger | 20.1919444 | 12.9675 | 1509 | 5 |
| Sehia | city | Departement de Tahoua | Niger | 14.2527778 | 4.7316667 | 856 | 4093 |
| Seiti Berni | city | Departement de Dosso | Niger | 13.1166667 | 2.9833333 | 682 | 7796 |
| Sekiraoey | city | Departement de )) (( Niamey | Niger | 14.95 | 0.6166667 | 954 | 2836 |
| Sekire | city | Departement de )) (( Niamey | Niger | 13.45 | 2.1833333 | 662 | 15302 |
| Sekiré | city | Departement de )) (( Niamey | Niger | 13.45 | 2.1833333 | 662 | 15302 |
| Sekome | city | Departement de )) (( Niamey | Niger | 14.0333333 | 0.55 | 830 | 3416 |
| Sekoukou | city | Departement de )) (( Niamey | Niger | 13.2716667 | 2.3655556 | 652 | 15309 |
| Sekoulou | city | Departement de )) (( Niamey | Niger | 13.2716667 | 2.3655556 | 652 | 15309 |
| Seliboli | city | Departement de )) (( Niamey | Niger | 13.8333333 | 1.6166667 | 629 | 3156 |
| Seloum | city | Departement de Zinder | Niger | 14.3666667 | 8.7333333 | 1538 | 999 |
| Sene Bellabe | city | Departement de )) (( Niamey | Niger | 13.65 | 0.85 | 902 | 3191 |
| Seney | city | Departement de Dosso | Niger | 13.3166667 | 3.3666667 | 780 | 5236 |
| Senoubimpo | city | Departement de )) (( Niamey | Niger | 13.2833333 | 1.9166667 | 748 | 13750 |
| Seram | city | Departement de Diffa | Niger | 14.0333333 | 11.1166667 | 1171 | 574 |
| Serke Ariwa | city | Departement de )) (( Niamey | Niger | 14.1833333 | 3.3666667 | 695 | 0 |
| Serke Haousa | city | Departement de Maradi | Niger | 13.85 | 7.6 | 1305 | 5963 |
| Serke Haoussa | city | Departement de Maradi | Niger | 13.85 | 7.6 | 1305 | 5963 |
| Serki Atchi | city | Departement de Maradi | Niger | 13.6 | 7.2833333 | 1354 | 9376 |
| Serki Atchin | city | Departement de Maradi | Niger | 13.6 | 7.2833333 | 1354 | 9376 |
| Serki Bazey | city | Departement de Maradi | Niger | 13.65 | 7.25 | 1279 | 9352 |
| Serkian Atchi | city | Departement de Maradi | Niger | 14.0666667 | 7.4333333 | 1358 | 6084 |
| Serkin Abzin Saboa | city | Departement de Maradi | Niger | 13.2666667 | 6.75 | 1223 | 12268 |
| Serkin Achi | city | Departement de Maradi | Niger | 13.7166667 | 7.1 | 1279 | 8517 |
| Serkin Albi | city | Departement de Maradi | Niger | 13.5333333 | 6.7166667 | 1085 | 9357 |
| Serkin Arewa | city | Departement de Maradi | Niger | 14.47 | 7.9702778 | 1423 | 3774 |
| Serkin Aski | city | Departement de Maradi | Niger | 14.15 | 7.1 | 1253 | 2912 |
| Serkin Atchi | city | Departement de Maradi | Niger | 13.4333333 | 6.9333333 | 1240 | 13459 |
| Serkin Bla | city | Departement de Zinder | Niger | 14.4833333 | 8.1166667 | 1437 | 1374 |
| Serkin Dia | city | Departement de Maradi | Niger | 13.65 | 7.1 | 1187 | 9324 |
| Serkin Fawa | city | Departement de Maradi | Niger | 13.4666667 | 6.75 | 1181 | 9357 |
| Serkin Kagnwa Kane | city | Departement de Maradi | Niger | 13.6666667 | 7.45 | 1351 | 9355 |
| Serkin Kanwa | city | Departement de Maradi | Niger | 13.6 | 6.5 | 1033 | 9345 |
| Serkin Noma Kwara | city | Departement de Dosso | Niger | 12.2166667 | 3.15 | 587 | 5247 |
| Serkin Rafi | city | Departement de Maradi | Niger | 13.5 | 6.9833333 | 1197 | 12344 |
| Serkin Sae | city | Departement de Maradi | Niger | 13.7333333 | 6.85 | 1161 | 9349 |
| Serkin Toudou Dan Toukwe | city | Departement de Maradi | Niger | 13.5813889 | 6.5938889 | 1112 | 9356 |
| Serkin Yama | city | Departement de Maradi | Niger | 13.3827778 | 6.9191667 | 1249 | 15804 |
| Serkin Yamma | city | Departement de Maradi | Niger | 13.3827778 | 6.9191667 | 1249 | 15804 |
| Serkine-Noma-Koara | city | Departement de Dosso | Niger | 12.2166667 | 3.15 | 587 | 5247 |
| Serkinndia Dey | city | Departement de Dosso | Niger | 12.8166667 | 3.4833333 | 734 | 5411 |
| Serkinndia Deye | city | Departement de Dosso | Niger | 12.8166667 | 3.4833333 | 734 | 5411 |
| Serkinndia Dèye | city | Departement de Dosso | Niger | 12.8166667 | 3.4833333 | 734 | 5411 |
| Serkire | city | Departement de )) (( Niamey | Niger | 13.4394444 | 2.1763889 | 547 | 15302 |
| Serkire Peul | city | Departement de )) (( Niamey | Niger | 13.45 | 2.1833333 | 662 | 15302 |
| Serkire Zarma | city | Departement de )) (( Niamey | Niger | 13.4394444 | 2.1763889 | 547 | 15302 |
| Serkiré | city | Departement de )) (( Niamey | Niger | 13.4394444 | 2.1763889 | 547 | 15302 |
| Serkiré Peul | city | Departement de )) (( Niamey | Niger | 13.45 | 2.1833333 | 662 | 15302 |
| Serkiré Zarma | city | Departement de )) (( Niamey | Niger | 13.4394444 | 2.1763889 | 547 | 15302 |
| Serké Ariwa | city | Departement de )) (( Niamey | Niger | 14.1833333 | 3.3666667 | 695 | 0 |
| Serké Haousa | city | Departement de Maradi | Niger | 13.85 | 7.6 | 1305 | 5963 |
| Serké Haoussa | city | Departement de Maradi | Niger | 13.85 | 7.6 | 1305 | 5963 |
| Sermakoy | city | Departement de Dosso | Niger | 13.1666667 | 4.0666667 | 738 | 4545 |
| Setebelle | city | Departement de )) (( Niamey | Niger | 13.8833333 | 0.9666667 | 774 | 3416 |
| Sewan | city | Departement de )) (( Niamey | Niger | 14.4333333 | 1.8833333 | 748 | 1559 |
| Seydi | city | Departement de Maradi | Niger | 13.9166667 | 6.5 | 1010 | 2995 |
| Seyeri | city | Departement de Zinder | Niger | 14.7833333 | 7.5833333 | 1446 | 1202 |
| Seïti Berni | city | Departement de Dosso | Niger | 13.1166667 | 2.9833333 | 682 | 7796 |