Niewiadowo [ɲɛvjaˈdɔvɔ] (German: Harmsdorf) is a village in the administrative district of Gmina Goleniów, within Goleniów County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 12 kilometres (7 mi) north of Goleniów and 33 km (21 mi) north-east of the regional capital Szczecin.

For the history of the region, see History of Pomerania.

The village has a population of 50.