List of People
| Display Name | Surnames | Given Names | Gender | Nationality | |
|---|---|---|---|---|---|
| ORIGASA Koki | Origasa | Koki | M | JPN | |
| ORIGO Giovanni | Origo | Giovanni | M | GIB | |
| ORIKASA Shota | Orikasa | Shota | M | JPN | |
| ORIM Medeline | Orim | Medeline | F | PNG | |
| O'RIORDAN Tony | O'Riordan | Tony Michael | M | ZIM | |
| O'RIORDAN Megan | O'Riordan | Megan Ann | F | IRL | |
| ORISO Samson | Oriso | Samson | M | KEN | |
| ORLANDELLI Gabriel | Orlandelli | Gabriel | M | ITA | |
| ORLANDO Marcelo | Orlando | Marcelo | M | BEL | |
| ORLOVA Antonina | Orlova | Antonina | F | RUS | |
| ORMAECHEA Laura | Ormaechea | Laura | F | ARG | |
| ORMAN Makhmud | Orman | Makhmud | M | KAZ | |
| ORMAZA Jose | Ormaza Alexandre | Jose Alberto | M | ECU | |
| ORMAZA Jose | Ormaza Ormaza | Jose Oswaldo | M | ECU | |
| ORMAZA Bryan | Ormaza Velez | Bryan Fabricio | M | ECU | |
| ORMAZA ZAMBRANO Omar Adrian | Ormaza Zambrano | Omar Adrian | M | ECU | |
| ORNANO Aldahir | Ornano | Aldahir | M | PAN | |
| OROBONO Madison | Orobono | Madison Lauren | F | USA | |
| OROLIN Matej | Orolin | Matej | M | SVK | |
| OROPEZA Jose | Oropeza Baez | Jose Antonio | M | VEN |