Łaźnie [ˈwaʑɲɛ] is a village in the administrative district of Gmina Supraśl, within Białystok County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 11 kilometres (7 mi) east of Supraśl and 25 km (16 mi) north-east of the regional capital Białystok.