Mierczany [mjɛrˈt͡ʂanɨ] is a village in the administrative district of Gmina Torzym, within Sulęcin County, Lubusz Voivodeship, in western Poland. It lies approximately 11 kilometres (7 mi) west of Torzym, 23 km (14 mi) south-west of Sulęcin, 55 km (34 mi) north-west of Zielona Góra, and 55 km (34 mi) south-west of Gorzów Wielkopolski.