Participants
| Carol o'Brien | South Africa |
| Omo Oaiya | Nigeria |
| Segun Obadire | Nigeria |
| Moh'd Obaidat | Jordan |
| Judicaël Obame-Nkoghe | Gabon |
| Evance Obara | Kenya |
| Davies Obaromi | Nigeria |
| Amanda Obidike | Nigeria |
| Kenechukwu Obikeze | South Africa |
| Ganiyu Oboh | Nigeria |
| Nompumelelo Obokoh | South Africa |
| Charles Obonyo | Kenya |
| Michelle Odayan | South Africa |
| Augustine odibo | Nigeria |
| DORINE ADHIAMBO ODONGO | |
| Mobolaji Odubanjo | Nigeria |
| Nelson Odume | South Africa |
| Jonathan Oehley | South Africa |
| Goratileone Oepeng | South Africa |
| Obed Ogega | Kenya |
| Madara Ogot | United States of America |
| Vincent Ojeh | |
| Shinsuke Okada | Japan |
| Samson Charles Okafor | Nigeria |
| Kumiko Okawa | Japan |
| Okechukwu Okeke | Nigeria |
| Onyekachukwu F. I. Okeke |