Uścianek [uɕˈt͡ɕanɛk] is a village in the administrative district of Gmina Goniądz, within Mońki County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 11 kilometres (7 mi) south-west of Goniądz, 13 km (8 mi) west of Mońki, and 51 km (32 mi) north-west of the regional capital Białystok.