Jasieniec [jaˈɕɛɲɛt͡s] is a village in the administrative district of Gmina Przedecz, within Koło County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 8 kilometres (5 mi) east of Przedecz, 28 km (17 mi) north-east of Koło, and 143 km (89 mi) east of the regional capital Poznań.