Rogaszyn [rɔˈɡaʂɨn] is a village in the administrative district of Gmina Piątek, within Łęczyca County, Łódź Voivodeship, in central Poland. It lies approximately 4 kilometres (2 mi) north of Piątek, 22 km (14 mi) east of Łęczyca, and 36 km (22 mi) north of the regional capital Łódź.