This is the list of all people with a lastname starting with "O" that we currently track in the category Sports, Soccer.
| Kelley O'Hara | Heather O'Reilly | John O'Shea |
| Guillermo Ochoa | Massimo Oddo | Dani Olmo |
| Divock Origi | Carla Overbeck | Marc Overmars |
| Michael Owen |