Karel Klančnik (30 May 1917 in Mojstrana – 8 December 2009) was a Yugoslavian ski jumper who competed in the late 1940s and early 1950s.
Karel Klančnik (born 30 May 1917 in Mojstrana – died 8 December 2009) was an athlete from Yugoslavia who engaged in ski jumping between the late 1940s and early 1950s.