 | Käde, Karl-Heinz ('U-960') | 00-00-1922 | 00-00-1985 |    |
 | Kaden, Wolfgang (UJ 116) | 05-12-1899 | 09-07-1942 |   |
| Kahle, Franz (Kleinkampfverband) | 17-07-1914 | |   |
 | Kähler, Otto (Kriegsmarine) | 03-03-1894 | 02-11-1967 |         more |
 | Kaiser, Karl ('U-181') | 15-09-1919 | 07-11-2020 |   |
 | Kals, Ernst | 02-08-1905 | 02-11-1979 |   |
| Kampen, Johann | | | |
| Kasch, Lorenz (U-540) | 20-08-1914 | 17-10-1943 |    |
 | Kelbling, Otto Friedrich Gerd | 12-06-1915 | 09-06-2005 | |
| Keller, Alfred (Kampfschwimmer) | 04-03-1923 | |  |
| Kiderlen, Hans-Rolf (Kriegsmarine) | 01-08-1911 | |   |
| Kielhorn, Wilhelm | | | |
| Kieseritzky, Gustav | 22-09-1893 | 19-11-1943 |    more |
 | Kleiner, Gero | 28-09-1905 | | |
| Klisch, Erich | 23-08-1923 | 22-05-2010 | |
 | Klug, Bernd-Georg | 12-12-1914 | 15-06-1975 |    more |
| Köhn, Jochen | | | |
 | Koitschka, Siegfried | 06-08-1917 | 17-05-2002 | |
| Koizer, Ernst (Kampfschwimmer) | | | |
 | Kolb, Erwin | | | |
| Köllner, Paul Wilhelm (Kriegsmarine) | 09-11-1897 | 14-10-1943 | |
| Könecke, Siegfried 'Siggi' (Kampfschwimmer) | | | |
| Körner, Willy-Roderich ('U-301') | 26-12-1914 | 21-01-1943 | |
| Koslik, Paul | | | |
| Kowald, Gerd ('U-870') | | | |
 | Kowalewsky, Friedrich | | | |
| Kraeft, Erich | | | |
| Kretz, Jakob | | | |
 | Krieg, Johann-Otto | 14-03-1919 | 02-01-1999 |    |
| Kroeker, Alfred | | | |
 | Kruschka, Max | 07-05-1919 | 12-04-1948 | |
| Kuhlmann, Hans-Günther | 12-11-1913 | 30-07-1942 | |
| Kurtz, Otto | 04-03-1893 | 19-02-1959 | |
| Kutzleben, von, Karl | 17-10-1894 | | |
