Ziomek [ˈʑɔmɛk] is a village in the administrative district of Gmina Baranowo, within Ostrołęka County, Masovian Voivodeship, in east-central Poland. It lies approximately 7 kilometres (4 mi) north-west of Baranowo, 28 km (17 mi) north-west of Ostrołęka, and 113 km (70 mi) north of Warsaw.