Czerlejno [t͡ʂɛrˈlɛi̯nɔ] is a village in the administrative district of Gmina Kostrzyn, within Poznań County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 5 kilometres (3 mi) south of Kostrzyn and 22 km (14 mi) east of the regional capital Poznań.