List of People
| Display Name | Surnames | Given Names | Gender | Nationality | |
|---|---|---|---|---|---|
| OUNGO Samuel | Oungo | Samuel Paul | M | KEN | |
| OURIAGHLI Noam | Ouriaghli | Noam | M | MAR | |
| OUTERBRIDGE Tre | Outerbridge | Tre | M | BER | |
| OUWERLING Floor | Ouwerling | Floor | F | NED | |
| OUYANG Huarui | Ouyang | Huarui | F | CHN | |
| OVALLE Andres | Ovalle Rodriguez | Andres Guillermo | M | CHI | |
| OVANESOVA Mariia | Ovanesova | Mariia | F | RUS | |
| OVECHIKNA Nadezhda | Ovechikna | Nadezhda | F | URS | |
| OVEJERO Aylin | Ovejero | Aylin Trinidad | F | ARG | |
| OVERBEEK Tim | Overbeek | Tim | M | NED | |
| OVEREND Emily | Overend | Emily | F | SCO | |
| OVIEDO Ailin | Oviedo | Ailin | F | ITA | |
| OVIEDO Lara | Oviedo | Lara | F | ITA | |
| OVIEDO Fernanda | Oviedo Guadarrama | Fernanda | F | MEX | |
| OVIEDO Yonmaikel | Oviedo Ramirez | Yonmaikel Josue | M | VEN | |
| OVO Eleho | Ovo | Eleho Roseline | F | NGR | |
| OVSIANIK Oksana | Ovsianik | Oksana | F | UKR | |
| OW Soon | Ow | Soon Kooi | M | MAS | |
| OWADA Koichi | Owada | Koichi | M | JPN | |
| OWAGA Ben | Owaga | Ben | M | KEN |