Kamieniec [kaˈmjɛɲɛt͡s] is a village in the administrative district of Gmina Iwaniska, within Opatów County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 8 kilometres (5 mi) south-east of Iwaniska, 13 km (8 mi) south of Opatów, and 57 km (35 mi) east of the regional capital Kielce.