Stasin [ˈstaɕin] is a village in the administrative district of Gmina Paprotnia, within Siedlce County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) south of Paprotnia, 15 km (9 mi) north-east of Siedlce, and 98 km (61 mi) east of Warsaw.