Antomieszki [antɔˈmjɛʂki] is a village in the administrative district of Gmina Banie Mazurskie, within Gołdap County, Warmian-Masurian Voivodeship, in northern Poland, close to the border with the Kaliningrad Oblast of Russia. It lies approximately 10 kilometres (6 mi) north of Banie Mazurskie, 21 km (13 mi) west of Gołdap, and 115 km (71 mi) north-east of the regional capital Olsztyn.