Oesterman, Hartog (birth 9 Aug 1845 Amsterdam - died 28 Aug 1929 Rotterdam)
Oesterman, Meijer (birth 17 Jan 1878 Rotterdam - died 1 Feb 1943 Auschwitz)
Oettinger, Sara
Olman, Kaatje (birth 22 May 1863 Delft - died 15 Oct 1942 Auschwitz)
Os, Regina (birth 18 Jul 1861 Hurth Duitsland - died 16 Jul 1943 Sobibor)