Kolniszki is a village in the administrative district of Gmina Goà Âdap, within Goà Âdap County, Warmian-Masurian Voivodeship, in north-eastern Poland, close to the border with the Kaliningrad Oblast of Russia.
Kolniszki was founded in 1564 by Jan Bender from Skocze, who bought land to establish the village.