Orlinek [ɔrˈlinɛk] is a village in the administrative district of Gmina Mrocza, within Nakło County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 4 kilometres (2 mi) west of Mrocza, 13 km (8 mi) north of Nakło nad Notecią, and 34 km (21 mi) north-west of Bydgoszcz.