Mień is a village in the administrative district of Gmina Brańsk, within Bielsk County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 10 kilometres (6 mi) west of Brańsk, 34 km (21 mi) west of Bielsk Podlaski, and 50 km (31 mi) south-west of the regional capital Białystok.
The village has a population of 610.