Kamionka [kaˈmjɔnka] is a village in the administrative district of Gmina Borowie, within Garwolin County, Masovian Voivodeship, in east-central Poland. It lies approximately 2 kilometres (1 mi) south-west of Borowie, 9 km (6 mi) north-east of Garwolin, and 61 km (38 mi) south-east of Warsaw.