Garczyn Duży [ˈɡart͡ʂɨn ˈduʐɨ] is a village in the administrative district of Gmina Kałuszyn, within Mińsk County, Masovian Voivodeship, in east-central Poland. It lies approximately 8 kilometres (5 mi) north of Kałuszyn, 18 km (11 mi) north-east of Mińsk Mazowiecki, and 54 km (34 mi) east of Warsaw.