| Link | Location |
|---|
 | Abigail Okolo | Mirimar, Florida, United States |
| ESTHER OKOYE | Jersey City, New Jersey, United States |
| Monika Okreglicka-Mazur | London, United Kingdom |
 | Takafumi Okubo | Tokyo, Japan |
| Hitoshi Okuyama | Tokyo, Japan |
| Olaide Olaniyan | LONDON, United Kingdom |
| Olawole Olasanoye | New Castle, Delaware, United States |
| Demilade Olawoye | LONDON, United Kingdom |
| Łukasz Olczyk | Gdynia, Poland |
| Przemyslaw Olejak | Den Haag, Netherlands |
| Radek Olexa | Prague, Czech Republic |
| Molodychenko Olga | Colombo, Sri Lanka |
| Chan Yuan Wei Oliver | Singapore, Singapore |
| Diedershagen Oliver | Freiburg, Germany |
| James Oliver | London, United Kingdom |
