| Navn | Nationalitet | Fødselsdato | ||
| Ondrejka, Vladimír | | | 00-00-1985 | |
| Ondryas, Richard | | | 03-11-1984 | |
| Ondze, Dominique | | | 06-12-1985 | |
| One, Junoh | | | 00-00-0000 | |
| Oneal, Cameron | | | 00-00-0000 | |
| O'Neal, Chris | | | 00-00-0000 | |
| Oneda, Irene | | | 09-03-2004 | |
| Oñederra Urkia, Gaxento | | | 27-08-1966 | |
| Onegov, Anatoli | | | 00-00-0000 | |
| O'Neil, Cameron | | | 00-00-0000 | |
| Oneil, Patrick | | | 00-00-0000 | |
| O'Neill, Albie | | | 00-00-1979 | |
| O'Neill, Brendan | | | 00-00-0000 | |
| O'Neill, Cara | | | 24-03-1999 | |
| O'Neill, Daniel | | | 00-00-0000 | |
| O'Neill, David | | | 00-00-0000 | |
| O'Neill, Doug | | | 00-00-0000 | |
| O'Neill, Gareth | | | 22-06-1996 | |
| O'Neill, Jack | | | 02-02-1995 | |
| O'Neill, Katherine | | | 26-07-1989 | |
| O'Neill, Ken | | | 00-00-0000 | |
| O'Neill, Nathan | | | 23-11-1974 | |
| O'Neill, Neville | | | 25-10-1979 | |
| O'Neill, Noel | | | 00-00-0000 | |
| O'Neill, Ryan | | | 00-00-0000 | |
| O'Neill, Seamus | | | 03-02-1975 | |
| O'Neill, Sean | | | 00-00-0000 | |
| O'Neill, Shane | | | 20-06-1982 | |
| O'Neill, Shaun | | | 00-00-0000 | |
| Oner, Almina | | | 00-00-2004 | |
| Oneschuk, Jimmy | | | 00-00-0000 | |
| Neto Onesco, Lucas | | | 13-11-1989 | |
| Onesime, Jérôme | | | 08-07-1974 | |
| Onesti, Emanuele | | | 21-06-1995 | |
| Onesti, Emidio | | | 26-10-1994 | |
| Onesti, Olivia | | | 06-12-2003 | |
| Onesti, Piero | | | 21-06-1959 | |
| Onfroy, Valentin | | | 00-00-0000 | |
| Ong Tone, Alexis Noah | | | 00-00-2005 | |
| Ong, Felicia | | | 00-00-0000 | |
| Ong Tone, Noel | | | 00-00-0000 | |
| Ong, Phun Hong Stephen | | | 09-06-1975 | |
| Ongarato, Alberto | | | 24-07-1975 | |
| Ongarato, Franco | | | 29-05-1949 | |
| Ongarato, Luigi | | | 00-00-0000 | |
| Ongarato, Rodolfo | | | 18-08-1971 | |
| Ongaretto, Elia | | | 10-01-1991 | |
| Ongaro, Alex | | | 05-10-1963 | |
| Ongaro, Davide | | | 06-12-2001 | |
| Ongaro, Francesco | | | 00-00-0000 | |
| Ongaro, Massimo | | | 14-08-1914 | |
| Ongena, Bart | | | 22-11-1971 | |
| Ongena, Lander | | | 20-04-2002 | |
| Ongena, Matthias | | | 22-05-1989 | |
| Ongena, Thomas | | | 22-10-1980 | |
| Ongenae, Dirk | | | 19-08-1953 | |
| Ongenae, Flory | | | 02-12-1945 | |
| Ongenae, Henri | | | 00-00-0000 | |
| Ongenae, Marcel | | | 03-07-1934 | |
| Ongenae, Walter | | | 09-09-1958 | |
| Onger, Heidi | | | 06-08-1985 | |
| Onghena, Dirk | | | 04-10-1959 | |
| Onghena, Matthias | | | 17-01-1987 | |
| Onghena, Ronan | | | 10-01-1957 | |
| Ongkiatco, Paolo Von | | | 00-00-0000 | |
| Ongorato, Livielle | | | 18-08-2005 | |
| Onichshuk, Vadim | | | 12-10-1997 | |
| Oniera, Mora | | | 16-06-1973 | |
| Oniongo, Franck | | | 00-00-0000 | |
| Onions, John | | | 00-00-0000 | |
| Onipko, Polina | | | 15-02-2004 | |
| Onishi, Motoki | | | 19-01-1984 | |
| Onishi, Yu | | | 00-00-0000 | |
| Onißeit, Elisabeth | | | 15-09-1944 | |
| Onkelinx, Gert-Jan | | | 16-11-1990 | |
| Onley, Oscar | | | 13-10-2002 | |
| Onnecken, Jonas | | | 01-09-2000 | |
| Onnela, Hannu | | | 04-03-1983 | |
| Onnockx, Patrick | | | 15-07-1959 | |
| Ono, Hiroki | | | 07-05-1993 | |
| Ono, Hiroto | | | 18-05-1998 | |
| Ono, Ken | | | 20-03-1968 | |
| Ono, Kotaro | | | 16-05-1997 | |
| Ono, Naoshi | | | 17-02-1967 | |
| Ono, Toshiyuki | | | 00-00-0000 | |
| Ono, Yoshinori | | | 05-06-1984 | |
| Onodera, Kei | | | 19-10-2000 | |
| Onodera, Ken | | | 09-01-1986 | |
| Onodera, Nozomu | | | 10-07-1997 | |
| Onodera, Rei | | | 03-09-1995 | |
| Onofri, Marina | | | 04-03-1987 | |
| Onose, Hiroki | | | 30-01-1997 | |
| Onose, Yuya | | | 12-04-1995 | |
| Onoshko, Oleksandr | | | 00-00-0000 | |
| Onraedt, Stefan | | | 00-00-0000 | |
| Onsow, David | | | 08-07-1993 | |
| Ontenbald, Toben | | | 00-00-0000 | |
| Onthuree, Watharakorn | | | 00-00-1999 | |
| Ontiveros Ibañez, Filiberto | | | 00-00-0000 | |
| Ontiveros, Gonzalo | | | 00-00-0000 |