Dębniki [dɛmbˈniki] is a village in the administrative district of Gmina Zbójna, within Łomża County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 3 kilometres (2 mi) south-east of Zbójna, 19 km (12 mi) north-west of Łomża, and 90 km (56 mi) west of the regional capital Białystok.