| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Oamram | city | Departement de Zinder | Niger | 15.05 | 8.9333333 | 1594 | 994 |
| Oleleoua | city | Departement de Zinder | Niger | 14.4997222 | 8.6236111 | 1364 | 995 |
| Olelewa | city | Departement de Zinder | Niger | 14.4997222 | 8.6236111 | 1364 | 995 |
| Oleloua | city | Departement de Zinder | Niger | 14.4997222 | 8.6236111 | 1364 | 995 |
| Ollelewa | city | Departement de Zinder | Niger | 14.4997222 | 8.6236111 | 1364 | 995 |
| Olleloua | city | Departement de Zinder | Niger | 14.4997222 | 8.6236111 | 1364 | 995 |
| Olléléwa | city | Departement de Zinder | Niger | 14.4997222 | 8.6236111 | 1364 | 995 |
| Oléloua | city | Departement de Zinder | Niger | 14.4997222 | 8.6236111 | 1364 | 995 |
| Oléléoua | city | Departement de Zinder | Niger | 14.4997222 | 8.6236111 | 1364 | 995 |
| Oléléwa | city | Departement de Zinder | Niger | 14.4997222 | 8.6236111 | 1364 | 995 |
| Ouacha | city | Departement de Zinder | Niger | 13.3688889 | 9.2925 | 1190 | 8030 |
| Oualeram | city | Departement de Zinder | Niger | 14.6475 | 10.2780556 | 1886 | 322 |
| Oualéram | city | Departement de Zinder | Niger | 14.6475 | 10.2780556 | 1886 | 322 |
| Ouame | city | Departement de Zinder | Niger | 14.1166667 | 9.1 | 1512 | 8002 |
| Ouamé | city | Departement de Zinder | Niger | 14.1166667 | 9.1 | 1512 | 8002 |
| Ouankey | city | Departement de Zinder | Niger | 14.5333333 | 8.8 | 1387 | 994 |
| Ouaouiram | city | Departement de Zinder | Niger | 14.4702778 | 9.3555556 | 1528 | 1721 |
| Ouargale | city | Departement de Zinder | Niger | 13.9 | 9.75 | 1335 | 322 |
| Ouargalé | city | Departement de Zinder | Niger | 13.9 | 9.75 | 1335 | 322 |
| Ouarme | city | Departement de Zinder | Niger | 13.55 | 10.2333333 | 1253 | 322 |
| Ouarmé | city | Departement de Zinder | Niger | 13.55 | 10.2333333 | 1253 | 322 |
| Ouatcha | city | Departement de Zinder | Niger | 13.3688889 | 9.2925 | 1190 | 8030 |
| Oubandawaki | city | Departement de Zinder | Niger | 14.7166667 | 7.7833333 | 1535 | 994 |
| Oubandawaki | city | Departement de Zinder | Niger | 14.6333333 | 8.1666667 | 1466 | 994 |
| Oude | city | Departement de Zinder | Niger | 14.6833333 | 8.0833333 | 1384 | 994 |
| Oudé | city | Departement de Zinder | Niger | 14.6833333 | 8.0833333 | 1384 | 994 |
| Ouentatagueye | city | Departement de Zinder | Niger | 14.65 | 8.2833333 | 1384 | 994 |
| Oumgali | city | Departement de Zinder | Niger | 13.9 | 9.75 | 1335 | 322 |
| Ourini | city | Departement de Zinder | Niger | 14.6666667 | 8.9 | 1601 | 994 |
| Ourta | city | Departement de Zinder | Niger | 14.5166667 | 8.15 | 1381 | 994 |
| Outcha | city | Departement de Zinder | Niger | 13.3688889 | 9.2925 | 1190 | 8030 |
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