Kornacki

Kornacki (Polish pronunciation: ; feminine: Kornacka; plural: Kornaccy) is a surname. Notable people with the surname include:
 * Alan S. Kornacki (born 1952), American geologist
 * Ryszard Kornacki (born 1940), Polish poet and writer
 * Steve Kornacki (born 1979), American journalist, writer and television host
 * Helena Boguszewska (Helena Boguszewska-Kornacka) (1886-1978), Polish writer