Gryźliny [ɡrɨˈʑlinɨ] is a village in the administrative district of Gmina Nowe Miasto Lubawskie, within Nowe Miasto County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 9 kilometres (6 mi) north-west of Mszanowo (the gmina seat), 10 km (6 mi) north of Nowe Miasto Lubawskie, and 72 km (45 mi) south-west of the regional capital Olsztyn.