| Socialist Youth League Karl Liebknecht | |
| Native Name: | Sozialistischer Jugendverband Karl Liebknecht |
| Founded: | 1962 |
| Ideology: | Communism Marxism–Leninism |
| Mother Party: | Socialist Unity Party of West Berlin |
| International: | WFDY |
Socialist Youth League Karl Liebknecht, was a communist youth organization in West Berlin during the Cold War. It was the youth organization of Socialist Unity Party of West Berlin. It was a member of World Federation of Democratic Youth.