Alle mit Nachnamen O
| Name | Vorname | Geburtsdatum | Todesdatum | Todesort |
|---|---|---|---|---|
| Owczarczyk | Valentin | 05/01/1890 | 26/02/1945 | Wuppertal |
| Obestinskaja | Eduard | 05/11/1944 | 21/01/1945 | Kolb & Co. |
| Obestinskaja | Eduard | 05/11/1944 | 21/01/1945 | Kolb & Co. |
| Orlow | Peter | 10/07/1927 | 11/05/1944 | Fudikars Wald |
| Obermeier | August | 21/08/1903 | 17/06/1936 | Von der Heydts Gasse |
| Otten | Willi | 11/04/1910 | 19/07/1941 | KZ Buchenwald |
| Otten | Willi | 11/04/1910 | 19/07/1941 | KZ Buchenwald |
| Oppenheimer | Salomon | 28/04/1870 | 22/10/1942 | Theresienstadt |
| Oswald | Elsa | 01/06/1882 | 29/09/1942 | Theresienstadt |
| Ohnesorge | Gustav Franz | 28/08/1880 | 16/07/1944 | Meseritz-Obrawalde |
| Ohliger | Ernst Rudolf | 23/10/1878 | 12/08/1944 | Meseritz-Obrawalde |
| Opfer | Auguste | 23/03/1903 | 13/06/1944 | Meseritz-Obrawalde |
| Osser | Veilchen | 07/01/1868 | 23/09/1942 | Treblinka |
| Okowski | Neumann | 29/09/1874 | 23/09/1942 | Treblinka |
| Okowski | Elisa | 06/02/1872 | 23/09/1942 | Treblinka |
| Ostwald | Paul | 03/11/1882 | 08/05/1945 | Sobibor |
| Orth | Otto | 03/03/1910 | 21/05/1941 | Hadamar |
| Oehlingarth | Friedrich | 30/03/1875 | 28/07/1941 | Hadamar |
| Otto | Heinrich | 08/09/1879 | 28/04/1941 | Hadamar |
| Oberheidmann | Hermann | 14/03/1911 | 28/04/1941 | Hadamar |
| Obst | Ernst | 01/06/1907 | 28/04/1941 | Hadamar |
| Oestreich | Leo | 02/06/1883 | 18/10/1944 | Auschwitz |
| Obarzanski | Berta | 11/06/1910 | 22/02/1943 | Auschwitz |
| Ostheim | Hans | 12/12/1914 | 02/07/1944 | Auschwitz |
| Orgler | Adele | 13/05/1885 | 30/10/1944 | Auschwitz |