Zeńbok [ˈzɛɲbɔk] is a village in the administrative district of Gmina Regimin, within Ciechanów County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) north of Regimin, 12 km (7 mi) north of Ciechanów, and 88 km (55 mi) north of Warsaw.