List of People
| Display Name | Surnames | Given Names | Gender | Nationality | |
|---|---|---|---|---|---|
| ORELLANA Candelaria | Orellana Pero | Candelaria | F | ARG | |
| ORENGO Elena | Orengo | Elena | F | ITA | |
| ORENGO Marta | Orengo | Marta | F | ITA | |
| ORERO Vicente | Orero Garcia | Vicente | M | ESP | |
| ORGAN Simon | Organ | Simon | M | ENG | |
| ORGAN Richard | Organ | Richard | M | ENG | |
| ORGUET Delfina | Orguet | Delfina | F | ITA | |
| ORHAN Arda | Orhan | Arda | M | TUR | |
| ORLANDINI Federico | Orlandini | Federico | M | ITA | |
| ORLANDO Marcelo | Orlando | Marcelo | M | ARG | |
| ORLOVA Antonina | Orlova | Antonina | F | RUS | |
| ORMANDY Christopher | Ormandy | Christopher | M | IRL | |
| ÖRN Lauri | Örn | Lauri | M | FIN | |
| OROLIN Matej | Orolin | Matej | M | SVK | |
| ORPIN Martha | Orpin | Martha | F | GER | |
| ORR Thomas | Orr | Thomas | M | IRL | |
| ORR Kate | Orr | Kate | F | IRL | |
| ORR Leanne | Orr | Leanne | F | SCO | |
| ORSAG Victoria | Orsag | Victoria | F | CRO | |
| ORŠIČEK Filip | Oršiček | Filip | M | CRO |