Gągolin Zachodni [ɡɔnˈɡɔlin zaˈxɔdni] is a village in the administrative district of Gmina Kocierzew Południowy, within Łowicz County, Łódź Voivodeship, in central Poland. It lies approximately 5 kilometres (3 mi) south-east of Kocierzew Południowy, 13 km (8 mi) north-east of Łowicz, and 60 km (37 mi) north-east of the regional capital Łódź.

• Central Statistical Office (GUS) Population: Size and Structure by Administrative Division - (2007-12-31) (in Polish)