| Intro | German navy officer and world war II U-boat commander |
| Was |
Sailor Submariner Soldier |
| From |
Germany Namibia |
| Type | Military |
| Gender | male |
| Birth | 21 June 1914, Grootfontein, Namibia |
| Death |
2 May 1942, Mediterranean Sea (aged 27 years) |
| Star sign | Cancer |
Karl Friederich (21 de Junho de 1914 – 2 de Maio de 1942) foi um comandante de U-Boot que serviu na Kriegsmarine durante a Segunda Guerra Mundial.