List of People
| Display Name | Surnames | Given Names | Gender | Nationality | |
|---|---|---|---|---|---|
| ODEWALD Jan | Odewald | Jan | M | GER | |
| ODEWALD John | Odewald | John | M | GER | |
| ODNOVIUNOVA Arina | Odnoviunova | Arina | F | UKR | |
| O'DONNELL Shane | O'Donnell | Shane | M | IRL | |
| O'DONNELL Hayley | O'Donnell | Hayley | F | IRL | |
| O'DONNELL Millie | O'Donnell | Millie | F | ||
| O'DONOGHUE Rory | O'Donoghue | Rory | M | IRL | |
| O'DONOGHUE Derbhla | O'Donoghue | Derbhla | F | IRL | |
| O'DONOGHUE Shane | O'Donoghue | Shane | M | IRL | |
| O'DONOVAN Christine | O'Donovan | Christine | F | ENG | |
| O'DWYER Nat | O'Dwyer | Nat | M | ENG | |
| OEL Marten | Oel | Marten | M | GER | |
| OETIKER Doris | Oetiker | Doris | F | SUI | |
| OETIKER Vianne | Oetiker | Vianne | F | SUI | |
| OETJEN Majella | Oetjen | Majella | F | GER | |
| OFFNER Johanna | Offner | Johanna | F | AUT | |
| OFFNER Valentin | Offner | Valentin | M | AUT | |
| OFITSEROV Dmitry | Ofitserov | Dmitry | M | RUS | |
| O'FLAHERTY Katie | O'Flaherty | Katie Anne | F | WAL | |
| O’FLANAGAN Anna | O’Flanagan | Anna | F | IRL |