Klocek [ˈklɔt͡sɛk] is a village in the administrative district of Gmina Tuchola, within Tuchola County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 12 kilometres (7 mi) north-east of Tuchola and 64 km (40 mi) north of Bydgoszcz.