| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Onza | city | Junin | Peru | -11.96 | -74.94 | 11748 | 9469 |
| Onza de Oro | city | Piura | Peru | -5.49 | -80.74 | 19 | 3013 |
| Onzaga | city | Santander | Colombia | 6.34 | -72.82 | 6797 | 5059 |
| Onzain | city | Centre-Val de Loire | France | 47.50 | 1.18 | 203 | 5097 |
| Onzala | city | Plateaux | Congo | -1.52 | 15.39 | 1669 | 596 |
| Onzato | city | Lombardia | Italy | 45.48 | 10.17 | 301 | 79267 |
| Onzaw | city | Magway | Burma | 19.70 | 94.41 | 2509 | 5161 |
| Onzay | city | Centre-Val de Loire | France | 46.93 | 1.32 | 344 | 2133 |
| Onzay-Palluau | city | Centre-Val de Loire | France | 46.93 | 1.32 | 344 | 2133 |
| Onze Rus | city | Free State | South Africa | -29.30 | 26.20 | 5029 | 600 |
| Onze Rust | city | Hardap | Namibia | -24.15 | 18.03 | 4189 | 0 |
| Onze Woning | city | Free State | South Africa | -27.70 | 27.93 | 5400 | 302 |
| Onze-Lieve-Vrouw Olen | city | Vlaanderen | Belgium | 51.17 | 4.90 | 59 | 39980 |
| Onze-Lieve-Vrouw-Lombeek | city | Vlaanderen | Belgium | 50.82 | 4.11 | 229 | 39482 |
| Onze-Lieve-Vrouw-Waver | city | Vlaanderen | Belgium | 51.07 | 4.58 | 55 | 43565 |
| Onzerust | city | Free State | South Africa | -29.30 | 26.20 | 5029 | 600 |
| Onzerust | city | Zimbabwe | -18.98 | 30.67 | 4402 | 2092 | |
| Onzerust | city | Manicaland | Zimbabwe | -18.31 | 31.96 | 5029 | 4172 |
| Onzhadovo | city | Grodnenskaya Oblast' | Belarus | 54.35 | 25.60 | 830 | 2119 |
| Onzhodovo | city | Grodnenskaya Oblast' | Belarus | 54.35 | 25.60 | 830 | 2119 |
| Onziabune | city | Congo (Dem. Republic of The)-(Zaire) | 2.59 | 26.77 | 2057 | 298 | |
| Onziakunde | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | 2.67 | 28.08 | 2608 | 4185 |
| Onzillon | city | Auvergne | France | 44.94 | 3.93 | 2811 | 3605 |
| Onzinkwin | city | Magway | Burma | 19.26 | 95.30 | 203 | 6854 |
| Onzinzi | city | Oshana | Namibia | -17.77 | 16.00 | 3507 | 4995 |
| Onziuani | city | Mozambique | -14.52 | 40.67 | 0 | 129603 | |
| Onzivacovi | city | Mozambique | -14.50 | 40.63 | 0 | 16745 | |
| Onzo | city | Bengo | Angola | -8.06 | 14.23 | 1765 | 0 |
| Onzo | city | Nigeria | 8.10 | 6.83 | 393 | 7301 | |
| Onzon | city | Mandalay | Burma | 22.81 | 96.10 | 1669 | 3400 |
| Onzonilla | city | Castilla y Leon | Spain | 42.52 | -5.58 | 2604 | 36164 |
| Onzéle | city | Plateaux | Congo | -2.07 | 16.13 | 1053 | 298 |
| Onzélé | city | Plateaux | Congo | -1.68 | 16.11 | 1040 | 298 |