Śliwiny [ɕliˈvinɨ] is a village in the administrative district of Gmina Radzanów, within Białobrzegi County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) south-west of Radzanów, 17 km (11 mi) south-west of Białobrzegi, and 78 km (48 mi) south of Warsaw.