Szaniawski (feminine: Szaniawska, plural: Szaniawscy) is a Polish surname. Notable people with the surname include:
Anna Szaniawska (1730–1795), Polish noblewoman Alfons Szaniawski (1837–1905), Russian general and activist Jerzy Szaniawski (1886–1970), Polish writer, playwright, and essayist Józef Kalasanty Szaniawski (1764–1843), Polish philosopher and politician Konstanty Felicjan Szaniawski (1668–1732), Polish nobleman, Bishop of Kujawy and Bishop of Kraków Władysław Szaniawski (1861–1931), Polish inventor See also