Ostrów [ˈɔstruf] is a village in the administrative district of Gmina Krasocin, within Włoszczowa County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 5 kilometres (3 mi) south-west of Krasocin, 9 km (6 mi) east of Włoszczowa, and 37 km (23 mi) west of the regional capital Kielce.