Łupiny [wuˈpinɨ] is a village in the administrative district of Gmina Wiśniew, within Siedlce County, Masovian Voivodeship, in east-central Poland. It lies approximately 5 kilometres (3 mi) south-west of Wiśniew, 13 km (8 mi) south of Siedlce, and 87 km (54 mi) east of Warsaw.