Okoniny Nadjeziorne [ɔkɔˈninɨ nadjɛˈʑɔrnɛ] is a village in the administrative district of Gmina Śliwice, within Tuchola County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 7 kilometres (4 mi) south-west of Śliwice, 19 km (12 mi) north-east of Tuchola, and 64 km (40 mi) north of Bydgoszcz.