Siemszyce [ɕɛmˈʂɨt͡sɛ] is a village in the administrative district of Gmina Łęczyca, within Łęczyca County, Łódź Voivodeship, in central Poland. It lies approximately 8 kilometres (5 mi) north-west of Łęczyca and 42 km (26 mi) north-west of the regional capital Łódź.