Breń [brɛɲ] (‹See Tfd›German: Bernsee) is a village in the administrative district of Gmina Bierzwnik, within Choszczno County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 6 kilometres (4 mi) east of Bierzwnik, 27 km (17 mi) south-east of Choszczno, and 88 km (55 mi) south-east of the regional capital Szczecin.

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