- Obaha, Karol, born on 08.08.1911 in Mali Cirnik, Jugoslawien
- Obajdin, Nikola, born on 22.02.1904 in Crnac/Brinje, Jugoslawien
- Oberenko, Wasilij, born on 05.10.1924 in Krasovka
- Obermann, Moniek, born on 15.04.1910 in Czestochowa, Polen
- Obert, Henri, born on 05.03.1904 in Guarbecque, Frankreich
- Obertas, Anatolij, born on 17.01.1914 in Bogoyavlensk, Russland
- Obichod, Timofej, born on 05.03.1924 in Tschernobal/Poltava, Ukraine
- Obidzinski, Tadeusz, born on 25.12.1911 in Warszawa, Polen
- Obodez, Pantelaj, born on 26.07.1890 in Galitsinovka, Ukraine
- Obrizan, Iwan, born on 25.05.1911 in Stari Walky
- Obtulowicz, Sylwester, born on 17.10.1887 in Mokra, Polen
- Obuchow, Konstantin, born on 05.03.1896 in Dnepropetrovsk, Ukraine
- Obuski, Jan, born on .10.1888 in Michalowice, Polen
- Oczipa, Josef, born on . .1907
- Odechowski, Tadeusz, born on 27.11.1908 in Warschau, Polen
- Odinec, Edward, born on 30.09.1909
- Oedesgaard, Trygve, born on 09.05.1903 in Konigsberge/Oslo, Norwegen
- Oehlen, Friedrich August Wilhelm, born on 28.08.1919 in München Gladbach
- Oehme, Heinrich Otto, born on 15.05.1898 in Niedergorbitz/Sachsen
- Oejen, Victor, born on 25.11.1896 in Meerhout, Belgien
- van Oers, Jan Anton, born on 31.08.1887 in Turnhout, Belgien
- van Oeteren, Hendrik, born on 29.01.1911 in Antwerpen, Belgien
- Ogarko, Alexej, born on 21.03.1920 in Novo-Mikhaylov, Russland
- Oger, Georges, born on 17.02.1901 in Chalonnes, Frankreich
- Ognew, Ilja, born on 20.07.1901 in Amur/Dnepropetrovsk, Ukraine