Mrowina [mrɔˈvina] is a village in the administrative district of Gmina Kluczewsko, within Włoszczowa County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 9 kilometres (6 mi) north-west of Kluczewsko, 18 km (11 mi) north-west of Włoszczowa, and 54 km (34 mi) west of the regional capital Kielce.