Józefowo (Polish pronunciation: [juzɛˈfɔvɔ]) is a village in the administrative district of Gmina Rząśnik, within Wyszków County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) north of Rząśnik, 19 km (12 mi) north of Wyszków, and 64 km (40 mi) north of Warsaw.