Słuszczyn [ˈswuʂt͡ʂɨn] is a village in the administrative district of Gmina Solec nad Wisłą, within Lipsko County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) west of Solec nad Wisłą, 5 km (3 mi) south of Lipsko, and 131 km (81 mi) south of Warsaw.