Karel "Káďa" Pešek was a Czech ice hockey and football player. He played as midfielder for Sparta Prague and the Czechoslovak football national team. He played from 1913 to 1933, scoring 149 goals in his club career. Pešek was voted by IFFHS as the 81st greatest European footballer of the 20th century, and the third greatest Czechoslovak player of the 20th century behind Josef Bican and Josef Masopust.