Lewiczyn [lɛˈvit͡ʂɨn] is a village in the administrative district of Gmina Belsk Duży, within Grójec County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) south-east of Belsk Duży, 8 km (5 mi) south of Grójec, and 48 km (30 mi) south of Warsaw.