Kaczlin [ˈkat͡ʂlin] is a village in the administrative district of Gmina Sieraków, within Międzychód County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 5 kilometres (3 mi) east of Sieraków, 21 km (13 mi) east of Międzychód, and 59 km (37 mi) north-west of the regional capital Poznań.