Wałków [ˈvau̯kuf] is a village in the administrative district of Gmina Koźmin Wielkopolski, within Krotoszyn County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 7 kilometres (4 mi) north of Koźmin Wielkopolski, 23 km (14 mi) north of Krotoszyn, and 70 km (43 mi) south-east of the regional capital Poznań.