Twardorzeczka [tfardɔˈʐɛt͡ʂka] is a village in the administrative district of Gmina Lipowa, within Żywiec County, Silesian Voivodeship, in southern Poland. It lies approximately 10 kilometres (6 mi) south-west of Żywiec and 67 km (42 mi) south of the regional capital Katowice.

It lies in Żywiec Basin alongside a Twardorzeczka stream flowing out from Silesian Beskids. There are two Tilia trees registered as natural monuments in the village. The village began as a hamlet of Radziechowy, where it belonged to until its separation in 1948.

Monika Brodka, a Polish singer, grew up in the village.