| Link | Location | |
|---|---|---|
 | Oluseyi Ogundare | London, Wielka Brytania |
| MUNEYUKI OHIGASHI | Tokyo, Japonia |
| Makiko Ohishi | Tokyo, Japonia |
| Philip Ohlsson | Apeldoorn, Holandia |
| Michitaka Ohno | Tokyo, Japonia |
 | Shigenari Ohnuma | Tokyo, Japonia |
| Toshiyuki Ohtomo | Kyoto, Japonia |
| Thomas Oichtner | Vienna (Vösendorf), Austria |
| Sami Ojanpää | Seinäjoki, Finlandia |
| Chichi Okafor | Duluth, Georgia, Stany Zjednoczone |
 | Yuki Okamoto | Tokyo, Japonia |
| Takaya Okano | Tokyo, Japonia |
 | Jay Oke | London, Wielka Brytania |
| Alevtina Okhrimenko | Moscow, Federacja Rosyjska |
| Morten Okking-Dam Hansen | Copenhagen, Dania |
