| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ouakazoua | city | Departement de Tahoua | Niger | 13.7666667 | 4.7666667 | 1049 | 9249 |
| Ouakou | city | Departement de Tahoua | Niger | 15.1183333 | 5.2475 | 1417 | 3774 |
| Ouassoro Mambe | city | Departement de Tahoua | Niger | 14.4 | 6.1 | 1269 | 8013 |
| Ouassoro Mambé | city | Departement de Tahoua | Niger | 14.4 | 6.1 | 1269 | 8013 |
| Oubandawaki | city | Departement de Tahoua | Niger | 13.8 | 6.1666667 | 1023 | 9668 |
| Ouorzou | city | Departement de Tahoua | Niger | 14.4833333 | 6.4 | 1040 | 8924 |
| Ourno | city | Departement de Tahoua | Niger | 14.3 | 6.45 | 1338 | 8995 |
| Outchia | city | Departement de Tahoua | Niger | 13.8 | 5.75 | 1305 | 11259 |
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