Skwierczyn Lacki [ˈskfjɛrt͡ʂɨn ˈlat͡ski] is a village in the administrative district of Gmina Paprotnia, within Siedlce County, Masovian Voivodeship, in east-central Poland. It lies approximately 21 kilometres (13 mi) north-east of Siedlce and 99 km (62 mi) east of Warsaw.