Grążawy [ɡrɔ̃ˈʐavɨ] is a village in the administrative district of Gmina Bartniczka, within Brodnica County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 2 kilometres (1 mi) west of Bartniczka, 13 km (8 mi) east of Brodnica, and 69 km (43 mi) east of Toruń.