Gulbieniszki ([ɡulbjɛˈniʂki]; Lithuanian: Gulbiniškiai) is a village in the administrative district of Gmina Jeleniewo, within Suwałki County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 5 kilometres (3 mi) north of Jeleniewo, 19 km (12 mi) north of Suwałki, and 127 km (79 mi) north of the regional capital Białystok.