Pióry Wielkie [ˈpjurɨ ˈvjɛlkʲɛ] is a village in the administrative district of Gmina Mordy, within Siedlce County, Masovian Voivodeship, in east-central Poland. It lies approximately 9 kilometres (6 mi) south of Mordy, 20 km (12 mi) east of Siedlce, and 107 km (66 mi) east of Warsaw.