Majdan Średni (Polish pronunciation: [ˈmajdan ˈɕrɛdɲi]) is a village in the administrative district of Gmina Rudnik, within Krasnystaw County, Lublin Voivodeship, in eastern Poland. It lies approximately 4 kilometres (2 mi) north-east of Rudnik, 16 km (10 mi) south-west of Krasnystaw, and 50 km (31 mi) south-east of the regional capital Lublin.