Osiecz Wielki (Polish pronunciation: [ˈɔɕɛtʂ ˈfjɛlkʲi]) is a village in the administrative district of Gmina Boniewo, within Włocławek County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 27 kilometres (17 mi) south-west of Włocławek and 70 km (43 mi) south of Toruń.