Sieraków (Polish pronunciation: [ɕɛˈrakuf]) is a village in the administrative district of Gmina Radzymin, within Wołomin County, Masovian Voivodeship, in east-central Poland. It lies approximately 5 kilometres (3 mi) west of Radzymin, 10 km (6 mi) north-west of Wołomin, and 23 km (14 mi) north of Warsaw.