Karel Růžička
Karel Růžička was a Czech bobsledder who competed in the 1930s for Czechoslovakia. He won a silver medal in the two-man event at the 1935 FIBT World Championships in Igls.
Ruzicka also competed at the 1936 Winter Olympics in Garmisch-Partenkirchen, finishing 20th in the two-man event and did not finish the four-man event.