Bystra [ˈbɨstra] is a village in the administrative district of Gmina Radziechowy-Wieprz, within Żywiec County, Silesian Voivodeship, in southern Poland. It lies approximately 3 kilometres (2 mi) south-east of Wieprz, 8 km (5 mi) south of Żywiec, and 72 km (45 mi) south of the regional capital Katowice.