Zbyczyn [ˈzbɨt͡ʂɨn] is a village in the administrative district of Gmina Sieciechów, within Kozienice County, Masovian Voivodeship, in east-central Poland. It lies on the district road on the way up to the national road , approximately 5 kilometres (3 mi) north-east of Sieciechów, 17 km (11 mi) east of Kozienice, and 91 km (57 mi) south-east of Warsaw.