Wólka Gruszczyńska [ˈvulka ɡruʂˈt͡ʂɨɲska] is a village in the administrative district of Gmina Wilga, within Garwolin County, Masovian Voivodeship, in east-central Poland. It lies approximately 21 kilometres (13 mi) west of Garwolin and 48 km (30 mi) south-east of Warsaw.