title: Janczak
text: # Janczak
  
  Janczak is a Polish-language surname. Notable people with this surname include:
  
  * Eugeniusz Janczak (born 1955), Polish sports shooter
  * Krzysztof Janczak (born 1974), Polish volleyball player
  * Krzysztof Aleksander Janczak (born 1983), Polish composer
  