List of People
| Display Name | Surnames | Given Names | Gender | Nationality | |
|---|---|---|---|---|---|
| OMWAKA David | Omwaka | David | M | KEN | |
| OMWANDHO Leah | Omwandho | Leah Nyang'oro | F | KEN | |
| ONANA Nelson | Onana Alima | Nelson Zacharie M. | M | BEL | |
| ONDA Masashi | Onda | Masashi | M | JPN | |
| ONDEGO Alex | Ondego | Alex Kigaro | M | KEN | |
| ONDREJ Paul | Ondrej | Paul | M | SVK | |
| ONDREKA Paavo | Ondreka | Paavo | M | FIN | |
| ONDREKA Lauri | Ondreka | Lauri | M | FIN | |
| O'NEALE Kyesia | O'Neale | Kyesia | F | CAN | |
| O'NEIL Aaliyah | O'Neil | Aaliyah | F | TTO | |
| O'NEILL Linda | O'Neill | Linda | F | IRL | |
| O'NEILL John | O'Neill | John | M | USA | |
| ONETO Vanina Paula | Oneto | Vanina Paula | F | ARG | |
| ONETTI Agustina | Onetti D'Ascencio | Agustina | F | CHI | |
| ONG Nadiah | Ong | Nadiah Kia Hwee | F | SGP | |
| ONG Stephanie | Ong | Stephanie Tze Hui | F | MAS | |
| ONG Jia | Ong | Jia Min | F | SGP | |
| ONG Han Yu | Ong | Han Yu | F | SGP | |
| ONG Jacky | Ong | Jacky Hou An | M | SGP | |
| ONG Kwee Chuang | Ong | Kwee Chuang | M | SGP |