Łęka [ˈwɛnka] is a village in the administrative district of Gmina Kościelec, within Koło County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 8 kilometres (5 mi) southeast of Kościelec, 10 km (6 mi) south of Koło, and 122 km (76 mi) east of the regional capital Poznań.