| Link | Location |
|---|
 | Yuki Okamoto | Tokyo, Japan |
 | Takaya Okano | Tokyo, Japan |
 | Jay Oke | London, United Kingdom |
| Darya Okhokhonina | Москва, Russian Federation |
| Alevtina Okhrimenko | Moscow, Russian Federation |
| Morten Okking-Dam Hansen | Copenhagen, Denmark |
 | Joost Okkinga | Amsterdam, Netherlands |
| Junpei Okoshi | Tokyo, Japan |
| Nilufer Okucu | Brussels, Belgium |
| Oladipupo Olaniba | London, United Kingdom |
| Andrei Olaru | Bucharest, Romania |
| Pawel Olchowik | Copenhagen, Denmark |
| Orlov Oleg | Moscow, Russian Federation |
| Michael Olejnik | Munich, Germany |
| Andrew Olenik | Riga, Latvia |
