Kierzkowski (feminine: Kierzkowska) is a surname of Polish origin. Notable people with the surname include:
Alexandre-Édouard Kierzkowski (1816–1870), Canadian civil engineer and politician Ewa Kierzkowska (born 1964), Polish politician Henryk Kierzkowski (born 1943), Polish economist Janusz Kierzkowski (1947–2011), Polish cyclist Kazimierz Kierzkowski (1890–1942), Polish political and social activist Urszula Kierzkowska (born 1967), Polish politician and jurist
See also Karczemka Kierzkowska, a village in Pomeranian Voivodeship, Poland