Poniki [pɔˈniki] is a village in the administrative district of Gmina Sępopol, within Bartoszyce County, Warmian-Masurian Voivodeship, in northern Poland, close to the border with the Kaliningrad Oblast of Russia. It lies approximately 8 kilometres (5 mi) north-west of Sępopol, 11 km (7 mi) north-east of Bartoszyce, and 66 km (41 mi) north-east of the regional capital Olsztyn.