Chmielnik [ˈxmjɛlnik] is a village in the administrative district of Gmina Czarna Białostocka, within Białystok County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 8 kilometres (5 mi) north-west of Czarna Białostocka and 24 km (15 mi) north of the regional capital Białystok.