List of People
| Display Name | Surnames | Given Names | Gender | Nationality | ||
|---|---|---|---|---|---|---|
| O'NEILL Daniel | O'Neill | Daniel Peter John | M | ENG | ||
| O'NEILL Helen | O'Neill | Helen | F | WAL | ||
| O'NEILL-FAWCETT Mo | O'Neill-Fawcett | Maureen | F | SCO | ||
| ONETO Vanina | Oneto | Vanina Paula | F | ARG | ||
| ONG Cheng Kim | Ong | Cheng Kim | M | SGP | ||
| ONG Benjamin | Ong | Benjamin Thian Seng | M | SGP | ||
| ONG Seng Leong | Ong | Seng Leong | M | MAS | ||
| ONGORI Wycliffe | Ongori | Wycliffe | M | KEN | ||
| ONIEVA Jaime | Onieva | Jaime | M | ESP | ||
| ONN Dannie | Onn | Dannie | M | SCO | ||
| OOI Frankie | Ooi | Frankie Hock Lee | M | MAS | ||
| OOMENS Hein | Oomens | Hein | M | NED | ||
| OOMENS Hein | Oomens | Hein | M | NED | ||
| OOSTERHOFF Jaap | Oosterhoff | Jacob | M | NED | ||
| OOSTHUIZEN Eugenie | Oosthuizen | Eugenie | F | RSA | ||
| OOSTHUIZEN Rudi | Oosthuizen | Rudi | M | RSA | ||
| OOSTHUIZEN Gavin | Oosthuizen | Gavin | M | RSA | ||
| OPGELDER Vincent | Opgelder | Vincent Willem | M | NED | ||
| OPIE Wendy | Opie | Wendy Lorraine | F | AUS | ||
| OPONDO Noah | Opondo | Noah Felix Ochieng | M | KEN |