| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ochg Town | city | Grand Bassa | Liberia | 6.05 | -10.06 | 265 | 757 |
| Ochstown | city | Grand Bassa | Liberia | 6.05 | -10.06 | 265 | 757 |
| Ojata | city | Margibi | Liberia | 6.62 | -10.08 | 403 | 4074 |
| Ojo | city | Nimba | Liberia | 6.43 | -9.03 | 830 | 745 |
| Okai Village | city | Gbarpolu | Liberia | 7.05 | -10.75 | 830 | 149 |
| Okaibli | city | Grand Bassa | Liberia | 6.12 | -10.22 | 830 | 894 |
| Okepie | city | Nimba | Liberia | 6.51 | -8.90 | 905 | 3603 |
| Okia | city | Gbarpolu | Liberia | 7.05 | -10.75 | 830 | 149 |
| Oko Boli | city | Nimba | Liberia | 6.81 | -8.88 | 1026 | 466 |
| Old Boe | city | Grand Gedeh | Liberia | 6.28 | -7.93 | 830 | 2157 |
| Old Camp | city | Bong | Liberia | 6.63 | -9.51 | 830 | 10003 |
| Old Fahn | city | Bomi | Liberia | 6.89 | -10.93 | 830 | 527 |
| Old Gbain Town | city | Nimba | Liberia | 7.10 | -8.80 | 997 | 1488 |
| Old Government Camp-Neeteah | city | Sinoe | Liberia | 5.04 | -8.44 | 830 | 2225 |
| Old Kpaylimu | city | Gbarpolu | Liberia | 7.13 | -10.22 | 830 | 550 |
| Old Peelar | city | Nimba | Liberia | 7.27 | -8.53 | 1669 | 1395 |
| Old Peter Town | city | Grand Bassa | Liberia | 6.58 | -9.28 | 830 | 3699 |
| Old Solo | city | Grand Gedeh | Liberia | 6.07 | -8.26 | 869 | 1972 |
| Old Toemue | city | Bong | Liberia | 6.87 | -9.45 | 1026 | 447 |
| Old Town | city | Gbarpolu | Liberia | 7.57 | -10.02 | 1669 | 149 |
| Old Town | city | Nimba | Liberia | 6.76 | -8.63 | 977 | 1043 |
| Old Tuzon | city | Grand Gedeh | Liberia | 6.17 | -8.26 | 866 | 18523 |
| Old Yourpea | city | Nimba | Liberia | 6.71 | -8.51 | 902 | 1246 |
| Oldman Johnnybli | city | Grand Bassa | Liberia | 6.27 | -9.95 | 830 | 745 |
| Oldman Monrovia | city | Sinoe | Liberia | 5.27 | -8.37 | 830 | 595 |
| Ololohn | city | Nimba | Liberia | 6.98 | -8.70 | 1017 | 2393 |
| Omalu | city | Gbarpolu | Liberia | 6.93 | -10.70 | 830 | 156 |
| Omata | city | Grand Bassa | Liberia | 6.49 | -9.36 | 971 | 298 |
| Omeli | city | Nimba | Liberia | 7.14 | -8.68 | 997 | 2304 |
| One Man | city | Grand Gedeh | Liberia | 6.28 | -8.28 | 830 | 19043 |
| One-O-One | city | Grand Bassa | Liberia | 6.14 | -9.83 | 360 | 371 |
| Onedayta | city | Bong | Liberia | 6.82 | -9.19 | 928 | 839 |
| Operator Camp | city | Grand Bassa | Liberia | 6.11 | -9.76 | 830 | 397 |
| Ostru | city | Grand Bassa | Liberia | 6.10 | -10.18 | 377 | 894 |
| Otikehn | city | Grand Kru | Liberia | 4.73 | -8.07 | 830 | 4286 |
| Otiken | city | Grand Kru | Liberia | 4.74 | -8.06 | 830 | 4226 |
| Oui | city | Nimba | Liberia | 7.15 | -8.48 | 977 | 1639 |
| Owen's Gnove | city | Grand Bassa | Liberia | 6.27 | -10.34 | 301 | 132840 |
| Owensgroove City | city | Grand Bassa | Liberia | 6.27 | -10.34 | 301 | 132840 |
| Owensgrove | city | Grand Bassa | Liberia | 6.27 | -10.34 | 301 | 132840 |
| Owen’s Gnove | city | Grand Bassa | Liberia | 6.27 | -10.34 | 301 | 132840 |