Żerań Duży [ˈʐɛraɲ ˈduʐɨ] is a village in the administrative district of Gmina Olszewo-Borki, within Ostrołęka County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) south-west of Ostrołęka and 97 km (60 mi) north of Warsaw.