Trzebuń [ˈtʂɛbuɲ] is a village in the administrative district of Gmina Dziemiany, within Kościerzyna County, Pomorskie Voivodeship, in east-central Poland. It lies approximately 7 kilometres (4 mi) north of Dziemiany (the gmina seat), 23 km (14 mi) north of Kościerzyna, and 104 km (65 mi) north-west of Warsaw.