Biernacki

Biernacki (feminine Biernacka) is a Polish surname, it may refer to:


 * Edmund Biernacki (1866–1911), Polish physician
 * Marek Biernacki (born 1959), Polish politician
 * Marianna Biernacka (1888–1943), Polish martyr of World War II
 * Mieczysław Biernacki (1891–1959), Polish mathematical chemist
 * Stefan Dąb-Biernacki (1890–1959), Polish general
 * Wacław Kostek-Biernacki (1882–1957), Polish politician and writer