| Link | Location | |
|---|---|---|
 | Takahiro Ogino | Tokyo, Japan |
| Donald Ogisi | Duluth, Georgia, United States |
| Elena Ogneva | Minsk, Belarus |
| Djordje Ognjenovic | Novi Sad, Serbia |
| George Ogrezeanu | Munich, Germany |
| Oluseyi Ogundare | London, United Kingdom |
| MUNEYUKI OHIGASHI | Tokyo, Japan |
| Makiko Ohishi | Tokyo, Japan |
| Philip Ohlsson | Apeldoorn, Netherlands |
| Michitaka Ohno | Tokyo, Japan |
 | Shigenari Ohnuma | Tokyo, Japan |
| Toshiyuki Ohtomo | Kyoto, Japan |
| Thomas Oichtner | Vienna (Vösendorf), Austria |
| Sami Ojanpää | Seinäjoki, Finland |
| Chichi Okafor | Duluth, Georgia, United States |
