Średnie Wielkie is a village in the administrative district of Gmina Zagórz, within Sanok County, Subcarpathian Voivodeship, in south-eastern Poland. It lies approximately 13 kilometres (8 mi) south of Zagórz, 17 km (11 mi) south of Sanok, and 72 km (45 mi) south of the regional capital Rzeszów.