Trzcionek [ˈtʂt͡ɕɔnɛk] is a village in the administrative district of Gmina Tuchola, within Tuchola County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 4 kilometres (2 mi) east of Tuchola and 55 km (34 mi) north of Bydgoszcz.