| Obenauer, Leonhard (Jäger-Pionier-Bataillon 5) | | | |
| Obenhaupt, Heinz | 04-10-1917 | | |
| Ober, Ernst | | | |
| Oberbeck, Herbert | 11-10-1909 | | more |
| Oberbeckmann, Werner | | | |
| Oberberger, Alois (Aufklärungsgruppe 23) | 02-03-1918 | | more |
| Oberbracht, Friedrich-Karl (s.Pz.Abt. 501) | 19-12-1920 | 13-01-1945 | |
| Oberdieck, Helmut | 28-06-1918 | | |
| Oberembt, Alfred | | | |
| Obergaulinger, Ludwig | 07-11-1911 | | |
| Obergethmann, Eduard | 30-04-1898 | 13-04-1943 | more |
| Oberhage, Herbert | | | |
| Oberhoff, Kurt | | | |
| Oberjatzas, Wilhelm | | | |
| Oberleitner, Anton | | | |
| Oberloskamp, Hans-Günther | | | |
| Oberländer, Werner | 16-12-1912 | 12-10-1996 | |
| Oberländer, Wilhelm | | | |
| Obermaier, Albrecht (3. Schnellbootsflottille) | 09-07-1912 | 01-08-2004 | |
| Obermaier, Johann ("U 435") | 10-08-1919 | 09-07-1943 | |
| Obermeier, Georg | 02-11-1917 | | |
| Obermeier, Josef | 07-11-1912 | 16-03-1945 | more |
| Obermeier, Ludwig | | | |
| Obermeier, Ludwig | 24-11-1914 | | more |
| Obermeit, Heinz | 15-01-1912 | 15-02-1980 | |
| Obermüller, Erich | | | |
| Obermüller, Franz | 13-09-1918 | 29-07-1943 | |
| Obermüller, Georg | | | |
| Obermüller, Gerhard (Grenadier-Regiment 415) | | | |
| Obernberger, Franz (Nacht-Schlacht-Gruppe 1) | 13-01-1914 | 05-08-1944 | |
| Obernitz, von, Hans-Günther | | | |
| Obernitz, von, Justin | 30-12-1884 | 24-09-1955 | |
| Oberquelle, Erich | 14-12-1918 | | |
| Oberschelp, Alfred | | | |
| Oberschelp, Eugen | | | |
| Oberste-Sirrenberg, Heinz | | | |
| Oberthür, Hein-Georg (Inf.Reg.76) | | | |
| Obertlik, Josef | | | |
| Oberweg, Herbert | 20-09-1911 | 06-04-1945 | |
| Oberwemmer, Friedrich | | | |
| Obexer, Josef | | | |
| Obladen, Clemens | | | |
| Obleser, Friedrich | 21-02-1923 | 05-06-2004 | more |
| Obmann, Helmut | | | |
| Obrecht, Herbert | 19-04-1922 | | |
| Obstfelder, von, Hans | 06-09-1886 | 20-12-1976 | more |
| Ochs, Ernst | | | |
| Ochs, Herbert | | | |
| Ochs, Karl | | | |
| Ochsenfeld, Heinrich | | | |
| Ochsner, Wilhelm-Francis "Willifrank" | 31-03-1899 | 05-12-1990 | |
| Ochterbeck, Helmut | | | |
| Ochßner, Heinrich Wilhelm | 28-05-1912 | 16-09-1944 | more |
| Ocken, Fritz | 25-06-1909 | 04-01-1988 | |
| Ocker, Karl-Wilhelm | | | |
| Ockermann, Wilhelm | | | |
| Oddoy, Friedrich-Karl | | | |
| Odebrecht, Job | 20-02-1892 | 20-11-1982 | more |
| Odenhardt, Wilhelm | 26-01-1914 | 12-04-1992 | more |
| Odenkirchen, Peter | | | |
| Odia, Ludwig | | | |
| Odrozek, Theodor | 26-03-1914 | 26-12-1980 | |
| Oebike, Burkhard | | | |
| Oechelhaeuser, von, Justus-Wilhelm | | | |
| Oechsle, Heinz | | | |
| Oechsler, Emil | | | |
| Oeck, Herbert | | | |
| Oefner, Fritz | | | |
| Oehl, Christian | | | |
| Oehler, Dietrich | 04-10-1915 | 27-12-2005 | |
| Oehler, Erich | | | |
| Oehler, Erich | | | |
| Oehler, Walther | 03-01-1888 | 06-07-1968 | |
| Oehlmann, Hans | | | |
| Oehlmann, Harro | | | |
| Oehlschlaeger, Günther | | | |
| Oehme, Herbert | | | |
| Oehme, Walter | | | |
| Oehmichen, Dr., Hermann | 16-11-1899 | 29-04-1987 | more |
| Oehmichen, von, Hans-Joachim (Kradschützen-Btl.54) | 04-10-1920 | 11-07-1995 | |
| Oehmichen, Walter | | | |
| Oehring, Hans | | | |
| Oekenpöhler, Johann-Peter | 01-09-1917 | 14-08-1980 | |
| Oel, Josef | | | |
| Oelkers, Friedrich-Adolf | | | |
| Oellerer, Franz | | | |
| Oellrich, Rudo | | | |
| Oelmann, Josef | | | |
| Oelrich, Adolf | 15-03-1916 | | |
| Oelrich, Fritz | | | |
| Oepen, Johann | | | |
| Oertel, Hans | 19-06-1894 | 15-09-1957 | |
| Oertel, Heinz | | | |
| Oertel, Hermann | | | |
| Oertel, Kurt | | | |
| Oertel, Max | | | |
| Oertel, Siegfried | | | |
| Oertzen, von, Arthur | 24-06-1904 | | |
| Oertzen, von, Wilhelm | | | |
| Oesau, Walter | 28-06-1913 | 11-05-1944 | more |
| Oesch, Karl Lennart | 08-08-1892 | 28-03-1978 | more |
| Oesterheld, Friedrich-Karl | | | |
| Oesterheld, Gerhard (Grenadier-Regiment 171) | | | |
| Oesterle, Georg | | | |
| Oesterle, Leonhardt | | | |
| Oesterlin, Albert | 14-01-1903 | 23-01-1944 | |
| Oesterwitz, Karl-Heinz | 15-03-1914 | 13-06-1999 | more |
| Oestmann, Jürgen | 04-03-1915 | | |
| Oestreich, Friedrich (252. Infanterie-Division) | | | |
| Oestreicher, Oskar (Infanterie-Regiment 332) | | | |
| Oetinger, Alfred | | | |
| Oettel, Erich | | | |
| Oettingen, von, Peter Otto Krafft | 08-09-1909 | 12-05-1944 | more |
| Oettingen-Wallerstein, Prinz zu, Moritz | 18-02-1922 | 03-05-1944 | |
| Oettinger, Karl | | | |
| Oettinger, Paul | | | |
| Oexle, Wilhelm | | | |
| Oeynhausen, von, Hans (Gren.Rgt. 24) | | | |
| Ofenböck, Otto | | | |
| Oferle, Ernst | | | |
| Offenborn, Gustav (Kampf-Geschwader 3) | 14-12-1917 | 16-04-1942 | |
| Offenhäuser, Otto | | | |
| Offer, Gerhard (Infanterie-Regiment 162) | | | |
| Offermann, Hans-Werner | 02-07-1921 | 22-04-1945 | |
| Offermann, Helmut | 21-09-1913 | 11-03-2006 | more |
| Offermann, Johannes | | | |
| Offermanns, Wilhelm 'Willi' (Waffen SS) | 28-02-1917 | 05-04-1942 | more |
| Ogaza, Hubert | | | |
| Ogris, Hans | | | |
| Ohl, Hubert | | | more |
| Ohl, Walter | | | |
| Ohlenburg, Hans | | | |
| Ohlenbusch, Günter | | | |
| Ohlendorf, Robert | | | |
| Ohler, Ernst | | | |
| Ohlerich, Ludwig | 09-12-1909 | | |
| Ohliger, Rudolf | | | |
| Ohlmann, Josef | | | |
| Ohlrogge, Walter | 15-01-1909 | 30-04-2003 | more |
| Ohlsen, Heinz | | | |
| Ohlsen, Otto | 18-12-1916 | | |
| Ohm, Joachim | 26-11-1920 | | |
| Ohme, Günter | | | |
| Ohnesorge, Gerhard (Flak-Regiment 22) | | | |
| Ohnesorge, Joachim (Artillerie-Regiment 254) | | | |
| Ohnesorge, Karl (Grenadier-Regiment 317) | | | |
| Ohning, Helmut | 26-10-1919 | 27-04-1944 | |
| Ohrdorf, Walter | | | |
| Ohrt, Herbert | | | |
| Ohrtmann, Johannes | | | |
| Oing, Josef | | | |
| Olberg, von, Axel | | | |
| Olbermann, Josef | | | |
| Olboeter, Erich Fritz Hermann (Waffen SS) | 26-06-1917 | 02-09-1944 | more |
| Olborth, Hermann | | | |
| Olbrich, Kurt | | | |
| Olbricht, Erich | | | |
| Olbricht, Karl | 20-01-1917 | 26-04-1944 | |
| Olbrisch, Rudolf | | | |
| Olczyk, Erich | | | |
| Oldenburg, Fritz | | | |
| Oldenburg, Walter | | | |
| Oldershausen, Freiherr von, Bernhard | | | |
| Olearius, Kurt | | | |
| Olejnik, Herbert | | | |
| Olesch, Alfons | | | |
| Olf, Alfred | 08-04-1919 | | |
| Olin, Ulf-Ola | 18-07-1917 | 11-01-1995 | more |
| Olivier, Herbert (Panzerjäger-Abteilung 97) | | | |
| Ollendorff, Hans | | | |
| Olowinsky, Franz | 15-07-1914 | | |
| Olschewski, Horst | | | |
| Olschewski, Reinhold | | | |
| Olschewski, Walter | | | |
| Olsen, Kurt | | | |
| Olshausen, Kai-Hermann | 31-03-1908 | | |
| Olshausen, von, Gerd | 06-02-1913 | 05-04-1943 | |
| Olsson, Sven-Erik | | | |
| Oltmann, Helmut | | | more |
| Oltrogge, Hans | | | |
| Olze, Arno | 10-03-1915 | 23-02-1973 | more |
| Omert, Emil | 15-01-1918 | 24-04-1944 | |
| Ondarza, von, Herbert | 24-11-1878 | 00-00-1976 | |
| Ondrazek, Willi | | | |
| Op de Hipt, Johann | | | |
| Opdenhoff, Jürgen | | | |
| Opelt, Kurt | 16-08-1893 | 20-03-1973 | more |
| Opetz, Max | | | |
| Opitz, Alfred | | | |
| Opitz, Fritz | | | |
| Opitz, Heinz-Eberhard | 13-07-1912 | 11-10-1997 | |
| Opitz, Hermann | | | |
| Opitz, Paul-Hermann | 19-08-1917 | | |
| Opitz, Rudolf | 09-08-1910 | 01-05-2010 | |
| Opitz, Wilhelm | | | |
| Opolka, Stefan (Transport-Geschwader 3) | | | |
| Oppeln-Bronikowski, von, Hermann Leopold August | 02-01-1899 | 19-09-1966 | more |
| Oppelt, Otto | | | |
| Oppen, von, Alexander | | | |
| Oppen, von, Udo | | | |
| Oppenländer, Günter | 10-04-1908 | | |
| Oppenländer, Kurt (Generalleutnant) | 11-02-1892 | 17-03-1947 | more |
| Oppermann, Ernst | | | |
| Oppermann, Heinz | 08-10-1918 | | more |
| Oppermann, Heinz | | | |
| Oppermann, Heinz | | | |
| Oppermann, Walter (WH-Panzerjäger) | | | |
| Oppersdorff, Graf von, Hans-Georg | | | |
| Oprotkowitz, Heinz | 06-01-1922 | | |
| Orbes, Franz | | | |
| Ordelheide, Heinz | | | |
| Ordnung, Richard | | | |
| Orfert, Erich | | | |
| Oriola, Graf von, Ralf | 09-08-1895 | 28-04-1970 | more |
| Orlicek, Anton | | | |
| Orlowski, Alfons | | | |
| Orlowski, Gerhard (Grenadier-Regiment 2) | | | |
| Orlowski, Günter | | | |
| Orlowski, Heinrich | | | |
| Orlowski, Helmut | 07-10-1914 | 08-11-1943 | |
| Orlowski, Max | | | |
| Orschel, Erwin | | | |
| Orschler, Willi | 01-09-1896 | 25-08-1941 | more |
| Orschulik, Rudolf | | | |
| Ortegel, Ernst | | | |
| Ortenburg, Graf zu, Udo | | | |
| Ortgies, Hermann | | | |
| Orth, Bernhard | 18-02-1918 | 08-05-2011 | |
| Orth, Heinz | | | |
| Orth, Heinz (Grenadier-Regiment 698) | | | |
| Orth, Josef | | | |
| Orthmann, Kurt (II. Fallschirm-Korps) | 27-03-1914 | | |
| Orthwein, Heinrich | | | |
| Ortler, Gerhard (Radfahr-Bataillon 402) | | | |
| Ortlieb, Karl | 04-06-1905 | 28-01-1981 | |
| Ortmann, Erich | | | |
| Ortmanns, Johann 'Hans' | 24-08-1919 | | |
| Ortner, Bruno | 07-10-1889 | 00-00-1971 | |
| Ortner, Georg | | | |
| Orzegowski, Ernst | 19-10-1919 | 02-08-2005 | more |
| Osbahr, Ferdinand | 31-03-1910 | | |
| Osbahr, Heinrich | | | |
| Osburg, Rudolf Herbert (Lehr-Geschwader 1) | 09-04-1919 | 26-05-1942 | |
| Osenbrück, Werner | | | |
| Osing, Helmut | | | |
| Osond, Johann | | | |
| Osowski, Ignatz | | | |
| Ospel, Hans | | | |
| Ossenbühn, Ernst | | | |
| Ossmann, Rüdiger | | 08-10-1943 | |
| Osswald, Ernst | | | |
| Ost, Wilhelm (Kampf-Geschwader 30) | | | |
| Ostarek, Rudolf | 23-04-1917 | 18-07-1977 | more |
| Osten, von der, Dietrich (Pz.Aufklär.Abt. 3) | 20-06-1923 | | |
| Osten, von der, Kurt-Adelbert | 26-04-1921 | 09-02-2004 | |
| Ostendorf, Aloys | | | |
| Ostendorff, Georg | | | |
| Ostendorff, Werner (Waffen SS) | 15-08-1903 | 01-05-1945 | more |
| Oster, Dieter | 15-01-1918 | 06-12-2015 | |
| Oster, Heinrich | | | |
| Osterhold, August | 09-05-1911 | 16-08-1943 | |
| Osterhold, Wilhelm | 12-01-1914 | 03-04-2002 | more |
| Osterhues, August | | | |
| Osterkamp, Heinz | | | |
| Osterloh, Karl-Heinz | | | |
| Osterloh, Kurt | | | |
| Ostermaier, Emil (Grenadier-Regiment 81) | | | |
| Ostermann, Ernst Gerhard Walter (Panzer-Reg. 11) | 15-03-1916 | 02-03-1943 | |
| Ostermann, Hellmuth (Infanterie-Regiment 131) | | | |
| Ostermayer, Ludwig (Waffen SS) | | | |
| Ostermeier, Hans-Arno (Fallschirm-Pz-Gren.Reg.3) | 10-02-1903 | 13-06-1989 | more |
| Ostermeier, Rudi (Kampf-Geschwader 27) | | | more |
| Ostermeyer, Friedrich (Infanterie-Regiment 16) | 24-08-1884 | 24-06-1963 | more |
| Ostermeyer, Wilhelm (Stuka-Geschwader 77) | | | more |
| Osterroht, Hans-Joachim | | | |
| Ostertag, Reinhard | 28-10-1913 | | |
| Osterwald, Konrad | | | |
| Ostholt, Heinz | | | |
| Ostrowski, Heinz | | | |
| Ostrowski, von, Johannes | | | |
| Ostwald, Johannes | | | |
| Ostwald, Wilhelm | | | |
| Oswald, Erich Max (Pz.Abt. 66) | 27-09-1912 | 19-02-1945 | more |
| Oswald, Franz | | | |
| Oswald, Franz (WL-Schlagtgeschwader) | 09-08-1915 | 13-01-2003 | more |
| Oswald, von, Kurt | | | |
| Otolski, Oskar | 02-12-1913 | 22-04-1945 | |
| Ott, Adolf Karl Friedrich | 20-08-1914 | 04-03-1944 | more |
| Ott, Alfons | | | |
| Ott, Ernst-Ludwig | | | |
| Ott, Franz | | | |
| Ott, Hans | | | |
| Ott, Heinz | | | |
| Ott, Heinz (Luftwaffe) | | | |
| Ott, Hermann | | | |
| Ott, Joachim | 22-02-1918 | 26-06-1998 | |
| Ott, Johann | | | |
| Ott, Moritz | | | |
| Ott, Reinhold | | | |
| Ott, Rudolf | 10-02-1905 | 19-10-1987 | |
| Ottawa, Norbert | 31-05-1918 | 21-01-1974 | |
| Otte, Dr., Heinz | | | |
| Otte, Dr., Maximilian | 03-09-1910 | 20-05-1944 | more |
| Otte, Friedrich Wilhelm | 22-09-1898 | 08-05-1944 | more |
| Otte, Heino | | | |
| Otte, Heinz | | | |
| Otter, Anton | 01-03-1914 | 00-00-2004 | |
| Ottinger, Emil | | | |
| Ottitsch, Ferdinand | 15-03-1920 | 07-02-1943 | |
| Ottmann, Theodor | | | |
| Ottmann, Werner (Waffen SS) | 15-01-1919 | 24-02-1990 | more |
| Ottnad, Alexander | | | |
| Otto, Albrecht | | | |
| Otto, Christian | | | |
| Otto, Ernst (SS-Panzer-Regiment 1) | 02-02-1910 | 26-12-1968 | more |
| Otto, Ernst (WH-Infanterie-Regiment 454) | 14-10-1914 | 11-06-1993 | more |
| Otto, Friedrich | | | |
| Otto, Heinz | 21-02-1917 | | |
| Otto, Helmut | | | |
| Otto, Herbert (Gren.Reg.90) | 30-08-1908 | | more |
| Otto, Herbert-Günther (Gebirgs-Artillerie-Reg.8) | | | |
| Otto, Johann | | | |
| Otto, Karl | | | |
| Otto, Lothar | | | |
| Otto, Paul (WH-Panzerjäger-Abteilung 561) | | | |
| Otto, Paul-Friedrich | 03-04-1917 | | |
| Otto, Siegfried | 27-01-1915 | | |
| Otto, Werner | | | |
| Otto, Werner | | | |
| Otto, Wolfgang (Waffen SS) | 28-10-1919 | | |
| Ottow, Hans | | | |
| Ottow, Max | | | |
| Ovelhey, Franz | | | |
| Ovenbeck, Edgar | | | |
| Oventrop, Julius | | | |
| Overath, Wilhelm | 28-02-1914 | 00-05-1979 | |
| Overbeck, Ernst Ferdinand | | | |
| Ow auf Wachendorf, Freiherr von, Hartmann (Gen.) | 14-08-1888 | 13-12-1969 | more |
| Oxner, Joachim | 19-04-1914 | 28-01-1944 | |
| Öchsl, Michael | | | |
| Öchsle, Rudolf | | | |
| Öffinger, Karl | | | |
| Öhlbauer, Alois (Aufklärungsgruppe 41) | | | |
| Österreicher, Hans | | | |
| Österreicher, Karl | | | |
| Östreich, Heinrich (Grenadier-Regiment 1) | | | |