Zgniły Głuszynek [ˈzɡniwɨ ɡwuˈʂɨnɛk] is a village in the administrative district of Gmina Topólka, within Radziejów County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 4 kilometres (2 mi) north-west of Topólka, 16 km (10 mi) south-east of Radziejów, and 56 km (35 mi) south of Toruń.