Janik (surname)

Janik or Janík is a Polish and Slovak surname derived from the given name Jan. Notable people with this surname include:
 * Doug Janik (born 1980), American hockey player
 * Krzysztof Janik (born 1950), Polish left-wing politician
 * Igor Janik (born 1983), Polish javelin thrower
 * Igor Janik (born 2000), Polish chess grandmaster
 * Mateusz Janik, Polish biathlete
 * Ondrej Janík (born 1990), Slovak professional ice hockey player
 * Zdzisław Janik, Polish footballer