List of People
| Display Name | Surnames | Given Names | Gender | Nationality | |
|---|---|---|---|---|---|
| ÖHLKNECHT Yannick | Öhlknecht | Yannick | M | AUT | |
| OHNEMICHL Vojtěch | Ohnemichl | Vojtěch | M | CZE | |
| O'HOGAN Kate | O'Hogan | Kate | F | IRL | |
| OIKONOMOU Orfeas | Oikonomou | Orfeas | M | ||
| OJALA Mikael | Ojala | Mikael | M | FIN | |
| OJALA Joonatan | Ojala | Joonatan | M | FIN | |
| OJALA Mikael | Ojala | Mikael | M | FIN | |
| OJALA Joonas | Ojala | Joonas | M | FIN | |
| OJALA Anssi | Ojala | Anssi | M | FIN | |
| OJALA Juha | Ojala | Juha | M | FIN | |
| OJANEN Juho | Ojanen | Juho | M | FIN | |
| OJEDA Leandro | Ojeda Ariza | Leandro Martin | M | ARG | |
| OJIAKO Isabella | Ojiako | Isabella | F | GER | |
| OJIKUTU Renee | Ojikutu | Renee | F | ENG | |
| OKAJ Paulina | Okaj | Paulina | F | POL | |
| OKARMUS Alicja | Okarmus | Alicja | F | POL | |
| OKATAN Selin | Okatan | Selin | F | TUR | |
| OKÇU Berat | Okçu | Berat Mustafa | M | TUR | |
| O'KEEFFE Stephen | O'Keeffe | Stephen | M | IRL | |
| O'KEEFFE Rebecca | O'Keeffe | Rebecca | F | IRL |