List of People
| Display Name | Surnames | Given Names | Gender | Nationality | |
|---|---|---|---|---|---|
| OLIVIER Simon | Olivier | Simon | M | FRA | |
| OLIVIERI Tommaso | Olivieri | Tommaso | M | ITA | |
| OLKHOVA Anastasiia | Olkhova | Anastasiia | F | UKR | |
| OLKHOVYI Viktor | Olkhovyi | Viktor | M | UKR | |
| OLLA Benedetta | Olla | Benedetta | F | ITA | |
| OLLAS Patrik | Ollas | Patrik | M | FIN | |
| OLLER Max | Oller Bueno | Max | M | ESP | |
| OLLINO Giulia | Ollino | Giulia | F | ITA | |
| ÖLMEZ Mine | Ölmez | Mine | F | TUR | |
| ÖLMEZ Müslüm | Ölmez | Müslüm | M | TUR | |
| OLMIŃSKA Teresa | Olmińska | Teresa | F | POL | |
| O'LOUGHLIN Sarah | O'Loughlin | Sarah | F | IRL | |
| OLSEN Martin | Olsen | Martin | M | DEN | |
| OLSEN Brian Steen | Olsen | Brian Steen | M | DEN | |
| OLSSON Axel | Olsson | Axel | M | SWE | |
| OLSZAK Piotr | Olszak | Piotr | M | POL | |
| OLTMANS Roelant | Oltmans | Roelant | M | NED | |
| OLUJIĆ Ema | Olujić | Ema | F | CRO | |
| OLUJIĆ Ivan | Olujić | Ivan | M | CRO | |
| O'MALLEY Eddie | O'Malley | Eddie | M | IRL |