Zamęcin [zaˈmɛnt͡ɕin] (German: Sammenthin) is a village in the administrative district of Gmina Choszczno, within Choszczno County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 6 kilometres (4 mi) south of Choszczno (Arnswalde) and 62 km (39 mi) south-east of the regional capital Szczecin (Stettin).

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