Tuszyny [tuˈʂɨnɨ] is a village in the administrative district of Gmina Koronowo, within Bydgoszcz County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 4 kilometres (2 mi) east of Koronowo and 23 km (14 mi) north of Bydgoszcz.