Kalwy [ˈkalvɨ] (German: Talfelde) is a village in the administrative district of Gmina Buk, within Poznań County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 9 kilometres (6 mi) north-east of Buk and 22 km (14 mi) west of the regional capital Poznań.
The village has a population of 162.