List of People
| Display Name | Surnames | Given Names | Gender | Nationality | ||
|---|---|---|---|---|---|---|
| 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 | ||
| OMEGNA Silvia | Omegna | Silvia | F | ITA | ||
| OMIĆ Sanja | Omić | Sanja | F | CRO | ||
| OMMALA-PARSONS Betsy | Ommala-Parsons | Betsy | F | KEN | ||
| OMRANI Noor | Omrani | Noor Gadisha | F | NED | ||
| OMRANI Lenna | Omrani | Lenna | F | NED | ||
| OMUS Yunus | Omus | Yunus Emre | M | TUR | ||
| ONANA Nelson | Onana Alima | Nelson | M | BEL | ||
| ONDREKA Lauri | Ondreka | Lauri | M | FIN | ||
| ONDREKA Emma | Ondreka | Emma | F | FIN | ||
| ONDREKA Paavo | Ondreka | Paavo | M | FIN | ||
| O'NEILL Charlotte | O'Neill | Charlotte | F | IRL | ||
| O´NEILL Nina | O´Neill | Nina | F | DEN | ||
| O´NEILL Mads | O´Neill | Mads | M | DEN | ||
| O'NIEN Emma | O'Nien | Emma | F | ENG | ||
| O'NIEN Emma | O'Nien | Emma | F | ENG |