| General Karl Oberg | Paris Höherer SS und Polizeiführer. Born in Hamburg in 1897, he had been a small time businessman and fruit importer before joining the SS in 1931. |
| Maureen O'Hara | Hollywood movie actress. More... |
| Eugene ORMANDY | Conductor with the Philadelphia Orchestra. More.... |
| Sergio Osmeña | Vice-President of the Commonwealth of the Philippines. More... |
| Hans Oster | Major-General, deputy chief of the abwehr. (1888-1945). More... |
| Orson Welles | United States' Film director and actor. More... |