Sierakowo [ɕɛraˈkɔvɔ] is a village in the administrative district of Gmina Przasnysz, within Przasnysz County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) south-east of Przasnysz and 88 km (55 mi) north of Warsaw.