List of cities in Gabon by population. There are 137 cities in Gabon, of which Libreville is the largest in terms of population - 753 596. The total number of people in Gabon is 2 173 082 for 2026.
| # | Name, city | Population |
|---|---|---|
| 1 | Libreville | 753 596 |
| 2 | Port-Gentil | 142 345 |
| 3 | Franceville | 56 062 |
| 4 | OEM | 40 298 |
| 5 | Moanda | 39 382 |
| 6 | Mouila | 29 322 |
| 7 | Lambaréné | 27 073 |
| 8 | Chibanga | 25 300 |
| 9 | Kulamutu | 21 179 |
| 10 | Makoko | 17 726 |
| 11 | Bits | 13 511 |
| 12 | Sogni | 13 053 |
| 13 | Gamba | 13 032 |
| 14 | Mounana | 11 475 |
| 15 | Ntoum | 11 237 |
| 16 | Nkan | 11 125 |
| 17 | Lastourville | 10 949 |
| 18 | Okonjo | 9 388 |
| 19 | Ndende | 8 153 |
| 20 | Buoy | 7 605 |
| 21 | Fugamu | 7 427 |
| 22 | Ndjole | 6 658 |
| 23 | Mbigu | 5 425 |
| 24 | Mayumba | 5 249 |
| 25 | Mitzic | 5 086 |
| 26 | Mekambo | 5 052 |
| 27 | Lekoni | 4 765 |
| 28 | Mimongo | 4 359 |
| 29 | Minvul | 3 833 |
| 30 | Medouneu | 2 534 |
| 31 | Ombue | 2 221 |
| 32 | Cocobeach | 2 226 |
| 33 | Cango | 2 013 |