Cernak

Cernak or Černák is a Slovak surname that may refer to
 * Erik Černák (born 1997), Slovak ice hockey defenseman
 * Ibolja Cernak, Serbian medical scientist
 * Isaka Cernak (born 1989), Australian football player
 * Ľudovít Černák (born 1951), Slovak politician and businessman
 * Peter Černák (born 1976), Slovak football player
 * Roland Černák (born 1997), Slovak football midfielder