Bryńsk (Polish pronunciation: [brɨj̃sk]) is a village in the administrative district of Gmina Lidzbark, within Działdowo County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 8 kilometres (5 mi) south of Lidzbark, 27 km (17 mi) west of Działdowo, and 81 km (50 mi) south-west of the regional capital Olsztyn.