List of People
| Display Name | Surnames | Given Names | Gender | Nationality | ||
|---|---|---|---|---|---|---|
| OBRADOVIĆ Marija | Obradović | Marija | F | SRB | ||
| O'BRIEN Shane | O'Brien | Shane | M | IRL | ||
| O'BRIEN Siofra | O'Brien | Siofra Mary | F | IRL | ||
| O'BRIEN Wabi | O'Brien | Wabi | M | ENG | ||
| O'BRIEN Lucy | O'Brien | Lucy | F | SCO | ||
| O'BRIEN Marcus | O'Brien | Marcus | M | IRL | ||
| O'BRIEN Rachel | O’Brien | Rachel | F | IRL | ||
| O’BRIEN Paul | O’Brien | Paul | M | IRL | ||
| O’BRIEN Jane | O’Brien | Jane | F | IRL | ||
| OBST Maciej | Obst | Maciej | M | POL | ||
| OBST Mateusz | Obst | Mateusz | M | POL | ||
| OBUKHOV Leonid | Obukhov | Leonid | M | RUS | ||
| OBUKHOVSKYI Pavlo | Obukhovskyi | Pavlo | M | UKR | ||
| OBYKHOD Kyrylo | Obykhod | Kyrylo | M | UKR | ||
| O'BYRNE Hannah | O'Byrne | Hannah | F | IRL | ||
| O'BYRNE Katie | O’Byrne | Katie | F | |||
| O'CALLAGHAN Miriam | O'Callaghan | Miriam Margaret | F | IRL | ||
| OCAÑA Jorge | Ocaña | Jorge | M | ESP | ||
| O'CARROLL Geraldine | O'Carroll | Geraldine | F | IRL | ||
| OCHELLO Gianni | Ochello | Gianni | M | GIB |