| Link | Location |
|---|
 | Orlov Oleg | Moscow, Russian Federation |
| Michael Olejnik | Munich, Germany |
| Grzegorz Olender | Wroclaw, Poland |
| Andrew Olenik | Riga, Latvia |
 | Konstantin Olenin | Tbilisi, Georgia |
| René Olesen | Aarhus, Denmark |
| Stine Nørgaard Olesen | Copenhagen, Denmark |
| GONCHAROVA Olesya | Moscow, Russian Federation |
| Kosyura Olga | Moscow, Russian Federation |
| PETROVICH Olga | Moscow, Russian Federation |
| SHAMONOVA Olga | Moscow, Russian Federation |
 | Galyna Olikhovska | Copenhagen, Denmark |
| Mikko Olin | Helsinki, Finland |
| Froilan Olivas | Los Angeles, California, United States |
| Dulcineia Oliveira da Penha | Munich, Germany |
