Łążek [ˈwɔ̃ʐɛk] is a village in the administrative district of Gmina Łoniów, within Sandomierz County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 6 kilometres (4 mi) south-east of Łoniów, 22 km (14 mi) south-west of Sandomierz, and 79 km (49 mi) south-east of the regional capital Kielce.