Okoniny [ɔkɔˈninɨ] is a village in the administrative district of Gmina Śliwice, within Tuchola County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 8 kilometres (5 mi) south-west of Śliwice, 18 km (11 mi) north-east of Tuchola, and 63 km (39 mi) north of Bydgoszcz.