Olimpiadas de Invierno 2010 - Deportistas
| Deportista | Deporte |
|---|---|
 Shane O'Connor | Skiing |
 Tadashi Obara | Patinadores |
 Karin Oberhofer | Biatlón |
| Christian Oberstolz | Luge |
 Elli Ochowicz | Patinadores |
 Pierre Ochs | Skiing |
| Nobunari Oda | Patinadores |
 Thijsje Oenema | Patinadores |
 Manfred Oettl Reyes | Skiing |
| Ornella Oettl Reyes | Skiing |
 Katrin Ofner | Skiing |
 Sabahattin Oglago | Skiing |
| Takako Oguchi | Luge |
| Apolo Anton Ohno | Patinadores |
| Yuya Oikawa | Patinadores |
 Triin Ojaste | Skiing |
| Rana Okada | Skiing |
| Tomomi Okazaki | Patinadores |
 Helene Olafsen | Skiing |
 Harri Olli | Skiing |
 Anna Carin Olofsson | Biatlón |
| Justin Olsen | Bobsleigh |
| Johan Olsson | Skiing |
| Hans Olsson | Skiing |
 Steve Omischl | Skiing |