Kruszyn [ˈkruʂɨn] is a village in the administrative district of Gmina Krypno, within Mońki County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 6 kilometres (4 mi) west of Krypno, 13 km (8 mi) south of Mońki, and 32 km (20 mi) north-west of the regional capital Białystok.