| Link | Location |
|---|---|
| Myles Ogilvie | London, United Kingdom |
| Takahiro Ogino | Tokyo, Japan |
| Elena Ogneva | Minsk, Belarus |
| Djordje Ognjenovic | Novi Sad, Serbia |
| George Ogrezeanu | Munich, Germany |
| Oluseyi Ogundare | London, United Kingdom |
| 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 |
| Masaya Okada | Tokyo, Japan |
| Yuki Okamoto | Tokyo, Japan |
| Takaya Okano | Tokyo, Japan |
