Olszownica [ɔlʂɔvˈnit͡sa] is a village in the administrative district of Gmina Baćkowice, within Opatów County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 2 kilometres (1 mi) north-east of Baćkowice, 13 km (8 mi) west of Opatów, and 46 km (29 mi) east of the regional capital Kielce.