Bartniki [bartˈniki] is a village in the administrative district of Gmina Lipsk, within Augustów County, Podlaskie Voivodeship, in north-eastern Poland, close to the border with Belarus. It lies approximately 10 kilometres (6 mi) north-east of Lipsk, 37 km (23 mi) east of Augustów, and 78 km (48 mi) north of the regional capital Białystok.