Joniny Wielkie [jɔˈninɨ ˈvjɛlkʲɛ] is a settlement in the administrative district of Gmina Karsin, within Kościerzyna County, Pomeranian Voivodeship, in northern Poland. It lies approximately 9 kilometres (6 mi) north-west of Karsin, 18 km (11 mi) south-west of Kościerzyna, and 66 km (41 mi) south-west of the regional capital Gdańsk.

For details of the history of the region, see History of Pomerania.