Antonin [anˈtɔnin] is a village in the administrative district of Gmina Prabuty, within Kwidzyn County, Pomeranian Voivodeship, in northern Poland. It lies approximately 7 kilometres (4 mi) north of Prabuty, 20 km (12 mi) north-east of Kwidzyn, and 72 km (45 mi) south-east of the regional capital Gdańsk.

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