Kasprzak is a Polish surname. Notable people with the surname include:
Anna Kasprzak (born 1989), Danish equestrian Bartłomiej Kasprzak (born 1993), Polish footballer Krzysztof Kasprzak (born 1984), Polish speedway rider Mieczysław Kasprzak (born 1953), Polish politician Robert Kasprzak (born 1987), Polish speedway rider Róża Kasprzak (born 1982), Polish athlete Urszula Kasprzak (born 1960), Polish singer Zdzisław Kasprzak (1910–1971), Polish basketball player