| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Оні | city | Rach'a-Lechkhumi da Kvemo Svaneti | Georgia | 42.58 | 43.44 | 3349 | 5699 |
| Оніл | city | Comunitat Valenciana | Spain | 38.63 | -0.67 | 2509 | 14393 |
| Оніча | city | Anambra | Nigeria | 6.15 | 6.79 | 236 | 483206 |
| Онічень | city | Suceava | Romania | 47.33 | 26.47 | 1115 | 6381 |
| Онічень | city | Neamt | Romania | 46.82 | 27.15 | 830 | 6330 |
| Онішкань | city | Bacau | Romania | 46.80 | 26.87 | 830 | 5264 |
| Онішки | city | Poltavs'ka Oblast' | Ukraine | 49.81 | 32.73 | 262 | 2682 |