Jasień [ˈjaɕɛɲ] is a village in the administrative district of Gmina Rogów, within Brzeziny County, Łódź Voivodeship, in central Poland. It lies approximately 4 kilometres (2 mi) north-west of Rogów, 8 km (5 mi) north-east of Brzeziny, and 27 km (17 mi) east of the regional capital Łódź.