Bolesław Śmiały may refer to: Bolesław II Śmiały (ca. 1041 or 1042 – 1081 or 1082), Duke of Poland Bolesław Śmiały (film), a 1971 Polish historical film directed by Witold Lesiewicz Bolesław Śmiały Coal Mine, mine in Łaziska Górne, Silesian Voivodeship, Poland