UpAlphabetical listing of Places in Gabon
| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
| Ondama | city | Haut-Ogooue | Gabon | -1.52 | 13.68 | 1669 | 312 |
| Ondili | city | Haut-Ogooue | Gabon | -1.56 | 13.77 | 1833 | 248 |
| Ondili | city | Haut-Ogooue | Gabon | -0.59 | 13.71 | 1243 | 0 |
| Ondondo | city | Woleu-Ntem | Gabon | 1.51 | 11.60 | 1774 | 0 |
| Ondouama | city | Haut-Ogooue | Gabon | -1.65 | 13.60 | 1118 | 27970 |
| Ondouama | city | Haut-Ogooue | Gabon | -1.65 | 13.57 | 1095 | 22260 |
| Ondouma | city | Ogooue-Maritime | Gabon | -1.45 | 9.28 | 3 | 0 |
| Ondwo | city | Haut-Ogooue | Gabon | -1.63 | 13.58 | 1095 | 27173 |
| Ondzéyé | city | Haut-Ogooue | Gabon | -0.74 | 13.59 | 1040 | 0 |
| Ongam | city | Estuaire | Gabon | 0.64 | 9.66 | 830 | 0 |
| Ongo | city | Woleu-Ntem | Gabon | 2.23 | 11.65 | 1669 | 1639 |
| Ongongo | city | Woleu-Ntem | Gabon | 1.16 | 11.70 | 1669 | 0 |
| Ongouangoubou | city | Haut-Ogooue | Gabon | -0.81 | 13.80 | 1669 | 0 |
| Ongouendjo | city | Ogooue-Maritime | Gabon | -1.38 | 9.08 | 3 | 0 |
| Onguendjo | city | Ogooue-Maritime | Gabon | -1.38 | 9.08 | 3 | 0 |
| Onguendjo | city | Ogooue-Maritime | Gabon | -2.53 | 9.77 | 3 | 0 |
| Onguendjo II | city | Ogooue-Maritime | Gabon | -1.38 | 9.08 | 3 | 0 |
| Onguia | city | Haut-Ogooue | Gabon | -1.06 | 13.87 | 1669 | 1003 |
| Onia | city | Haut-Ogooue | Gabon | -0.97 | 13.55 | 1187 | 0 |
| Onie | city | Woleu-Ntem | Gabon | 2.22 | 12.12 | 1998 | 0 |
| Onkara | city | Haut-Ogooue | Gabon | -1.49 | 14.06 | 2001 | 149 |
| Onkoua | city | Haut-Ogooue | Gabon | -1.79 | 13.83 | 1669 | 368 |
| Onvane | city | Estuaire | Gabon | 0.63 | 10.61 | 1902 | 0 |
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