Kotły [ˈkɔtwɨ] is a village in the administrative district of Gmina Bielsk Podlaski, within Bielsk County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 6 kilometres (4 mi) north-east of Bielsk Podlaski and 36 km (22 mi) south of the regional capital Białystok.