| Osamaki - Orientale |
Osenge-Kolembe - Kasaï-Occidental |
Osonga-Djinga - Kasai-Occidental Province |
| Osanga - Kasai-Occidental Province |
Osenge-Landa - Maniema |
Osonge - Kasai-Occidental Province |
| Osangambote - Kasaï-Occidental |
Oshwe - Kasai-Occidental Province |
Osongi - Orientale |
| Oseka - Kasai-Occidental Province |
Osi - Kasai-Occidental Province |
Osongi I - Orientale |
| Osekadeo - Kasaï-Oriental |
Osimba - Kasai-Occidental Province |
Osongi II - Orientale |
| Oseki - Orientale |
Oso I - Kasai-Occidental Province |
Osongi Likunda - Orientale |
| Osekola - Kasai-Occidental Province |
Osobo - Bandundu |
Osongo-Djinga - Kasai-Occidental Province |
| Osele - Orientale |
Osokari - Nord-Kivu |
Osuke - Orientale |
| Osemaki - Orientale |
Osoko - Orientale |
Osukunda - Maniema |
| Osembe - Kasaï-Occidental |
Osokunda - Maniema |
Oswalo I - Kasai-Occidental Province |
| Osembe I - Kasaï-Occidental |
Osokunda-Yunge - Maniema |
Oswe - Kasai-Occidental Province |
| Osenga Djinga - Kasai-Occidental Province |
Osomba - Orientale |
| Osenge - Kasai-Occidental Province |
Osombo - Orientale |