Biernaty Średnie [bjɛrˈnatɨ ˈɕrɛdɲɛ] is a village in the administrative district of Gmina Łosice, within Łosice County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) west of Łosice and 114 km (71 mi) east of Warsaw.