Alle mit Nachnamen O
| Name | Vorname | Geburtsdatum | Todesdatum | Todesort |
|---|---|---|---|---|
| Ostheim | Hans | 12/12/1914 | 02/07/1944 | Auschwitz |
| Obrycki | Karol Jan | 14/01/1908 | 13/06/1944 | Abschuss |
| Opfer | Auguste | 23/03/1903 | 13/06/1944 | Meseritz-Obrawalde |
| Orlow | Peter | 10/07/1927 | 11/05/1944 | Fudikars Wald |
| Obramtschik | Fedora | 01/01/1913 | 24/03/1944 | Durchgangslager Giebel |
| Optschenko | Alex | 26/07/1942 | 19/03/1944 | Durchgangslager Giebel |
| Optschenko | Alex | 26/07/1942 | 19/03/1944 | Durchgangslager Giebel |
| Orscharenko | Anna | 06/09/1926 | 03/06/1943 | Wuppertal |
| Oschuba | Anny | 30/05/1943 | Wuppertal | |
| Osinski | Helena | 14/02/1925 | 30/05/1943 | Wuppertal |
| Owens | William Alfred | 29/05/1943 | Abschuss | |
| Obarzanski | Berta | 11/06/1910 | 22/02/1943 | Auschwitz |
| Oppenheimer | Salomon | 28/04/1870 | 22/10/1942 | Theresienstadt |
| Oswald | Elsa | 01/06/1882 | 29/09/1942 | Theresienstadt |
| Okowski | Neumann | 29/09/1874 | 23/09/1942 | Treblinka |
| Osser | Veilchen | 07/01/1868 | 23/09/1942 | Treblinka |
| Okowski | Elisa | 06/02/1872 | 23/09/1942 | Treblinka |
| Osser | Gertrude | 30/04/1900 | 10/09/1942 | Auschwitz |
| Oberländer | Olga | 26/07/1887 | 17/07/1942 | KZ Majdanek |
| Otto | Werner | 08/08/1912 | 19/02/1942 | Gefängnis Klingelpütz Köln |
| Oppenheimer | Elsbeth | 02/03/1910 | 15/11/1941 | Minsk |
| Ollendorf | Hans | 01/07/1902 | 15/11/1941 | Minsk |
| Oehlingarth | Friedrich | 30/03/1875 | 28/07/1941 | Hadamar |
| Otten | Willi | 11/04/1910 | 19/07/1941 | KZ Buchenwald |
| Otten | Willi | 11/04/1910 | 19/07/1941 | KZ Buchenwald |