Bierzmo [ˈbjɛʐmɔ] is a village in the administrative district of Gmina Brudzew, within Turek County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 6 kilometres (4 mi) north-west of Brudzew, 12 km (7 mi) north of Turek, and 115 km (71 mi) east of the regional capital Poznań.